... - When the cause was blunt head trauma the fistula was always at the oval window. Rupture of the round window membrane. All the PLF patients showed altered
In the anatomy of the human ear, the perilymphatic duct is where the perilymphatic space (vestibule of the ear) is connected to the subarachnoid space. This works as a type of shunt to eliminate excess perilymph fluid from the perilymphatic space around the cochlea of the ear. Perilymph is continuous with cerebrospinal fluid (CSF) in the subarachnoid space. CSF pressure abnormalities do not generally have clinical impact on the inner ear which is explained physically by the bore diameter and length of the perilymphatic duct. This duct goes through the skull and is parallel with but not directly associated with the endolymphatic duct. The duct is lined by an epithelium ...
Changes in air pressure that occur in the middle ear such as when your ears pop normally have no effect on your inner ear. However, if a fistula exists, changes in middle ear pressure may directly impact the inner ear, causing unwanted symptoms as the balance and inner ear structures are stimulated unnecessarily by the leaking perilymph fluid in the ear. This is why many people with this condition find that their symptoms exacerbate with coughing, sneezing, or blowing their nose. An increase in physical activities may have the same effect since unsteadiness tends to increases with physical exertion and decrease with rest ...
The rate of longitudinal flow of perilymph has been measured using an ionic tracer technique. Spread of the tracer trimethylphenylammonium (TMPA) along the perilymphatic scalae was monitored with ion-selective microelectrodes following injection of a
Beta-2 transferrin is a carbohydrate-free (desialated) isoform of transferrin, which is almost exclusively found in the cerebrospinal fluid. It is not found in blood, mucus or tears, thus making it a specific marker of cerebrospinal fluid, applied as an assay in cases where cerebrospinal fluid leakage is suspected. Beta-2 transferrin would also be positive in patients with perilymph fluid leaks, as it is also present in inner ear perilymph. Thus, beta-2 transferrin in otorrhea would be suggestive of either a CSF leak or a perilymph leak. Chan D, Poon W, IP C, Chiu P, Goh K (2004). "How useful is glucose detection in diagnosing cerebrospinal fluid leak? The rational use of CT and Beta-2 transferrin assay in detection of cerebrospinal fluid fistula". Asian Journal of Surgery. 27 (1): 39-42. doi:10.1016/S1015-9584(09)60242-6. PMID 14719513. Skedros DG, Cass SP, Hirsch BE, Kelly RH (Oct 1993). "Beta-2 transferrin assay in clinical management of cerebral spinal fluid and perilymphatic fluid leaks". J ...
Sound processing in the inner ear involves separation of the constituent frequencies along the length of the cochlea. Frequencies relevant to human speech (100 to 500 Hz) are processed in the apex region. Among mammals, the guinea pig cochlear apex processes similar frequencies and is thus relevant for the study of speech processing in the cochlea. However, the requirement for extensive surgery has challenged the optical accessibility of this area to investigate cochlear processing of signals without significant intrusion. A simple method is developed to provide optical access to the guinea pig cochlear apex in two directions with minimal surgery. Furthermore, all prior vibration measurements in the guinea pig apex involved opening an observation hole in the otic capsule, which has been questioned on the basis of the resulting changes to cochlear hydrodynamics. Here, this limitation is overcome by measuring the vibrations through the unopened otic capsule using phase-sensitive Fourier domain ...
INSERM - U. 254 et Universite de Montpellier II, CHR Hopital St. Charles, France. An excitatory amino acid, possibly L-glutamate, which probably acts as a neurotransmitter at the inner hair cell-afferent fiber synapses in the cochlea. In the present study, we have used an electrophysiological approach to investigate at this level the presence of a major type of excitatory amino acid receptor, namely the glutamatergic receptor for which N-methyl-D-aspartate is a selective agonist. Our results show that, when N-methyl-D-aspartate and the antagonist 2-amino-5-phosphonovalerate are perfused through the perilymphatic scalae, they induced, by different mechanisms, a significant reduction of the amplitude of the compound action potential and an increase of the N1 latency, both predominant at high intensity tone burst stimulations. No significant difference was found in the presence or absence of Mg2+ in the artificial perilymph used as a vehicle. A further slight N-methyl-D-aspartate-induced decrease ...
Purpose: Various studies have revealed that both Fas and its ligand play an important role in cancer biology. The aim of our study was to determine if there is a relationship between the expression of Fas or Fas-ligand in breast cancer and the presence of malignant cells in perilymphatic fat. Material/Methods: Tumor samples from 147 consecutive breast cancer patients, aged 35-81 (median, 59), were subjected to analysis. The expressions of Fas and Fas-ligand were determined immunohistochemically. Results: The expression of Fas, but not Fas-ligand, was significantly less frequent in breast cancer patients in whom malignant cells infiltrated through the perilymphatic fat (p=0.042). The infiltration of paranodal fatty tissue occurred more often in cases of ductal carcinomas (p=0.008), larger primary tumors (pT≥2, p=0.030) and regional lymph node involvement (pN≥1, p=O.021). Univariate analysis revealed that perilymphatic fat infiltration shortened overall survivals in breast cancer ...
The K+ circulation in the cochlea is thought to be tightly regulated in the inner compartment of the cochlea by a transport network in the stria vascularis of the cochlea (Wangemann 2006). In the OHC case, K+ passes through the transduction channels and is released into the intercellular space of organ of Corti through several types of K+ channel at the base of the hair cell. These channels include KCNQ4 channels (Kharkovets et al. 2006) and calcium-activated SK and BK channels (Marcotti et al. 2004). From there, K+ is taken up by the supporting cells via the K-Cl cotransporters (Boettger et al. 2002). The supporting cells of the organ of Corti form an extensive epithelial tissue gap-junction system that is essential for buffering extracellular K+ ions in the organ of Corti into the perilymph (Kikuchi et al. 2000). From perilymph, K+ is actively pumped by the K+/Na+ ATPase and K+/Na+/2Cl− cotransporter back into the type II fibrocytes of the spiral ligament and from there back via the stria ...
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Cochlea, filled with fluids called perilymph and endolymph, a spiral-shaped cavity in the ear that translates sound waves into electrical nerve impulses and sends them to the cerebral cortex for interpretation. - Stock Image P434/0097
Perhaps inspired by the way a flying trapezist orients himself in the 3-dimensional space of the big top using the balancing mechanisms of his semi-circular canals, it was Nannemans belief that movie audiences could be guided through the hidden substructures of a movie by their ears, although in this case through the use of structural sound mapping* rather than endolymphatic stimulation. With every last component of a Redestructivish film chosen from the finite (if massive) selection listed in the Catalogue, it was possible to assign each component (be it a character, a costume, a feeling or whatever) a more or less noticeable sound identity quite aside from any specific functional sound it might be associated with on a narrative level. Thus, an audience member should be able to position himself in relation to a Redestructivish movies invisible moral or sartorial or emotional framework at any point during a screening, by triangulating the sound identities of each activated component. It was ...
This is another 3D picture of the babys face. Its a little more difficult to "see" in the beginning, so I will try and explain. Babys hand is on the left side of her face, next to the placenta. It is covering her left eye. Directly next to her left eye is her open right eye. If you look very carefully, you can even see her iris. There is a large nose right where the nose is supposed to be. I think her nose looks very large, but the ultrasound is taken at an angle below the nostrils which makes it look larger than it actually is. The large black semi-circular shape inside the orange is the babys open mouth. This particular image makes her look very surprised. I find it funny ...
There are probably several mechanisms for Tullios phenomenon as several types of disease processes have been associated with Tullios.. Tullio (1929) originally investigated sound-induced eye and head movement in pigeons. He made openings in the semicircular canals and demonstrated that sound waves spread primarily into the canals that had been opened. Huizinga (1935) proposed that the openings allow sound energy to move the ampulla of the semicircular canal, and furthermore, that the net effect is greater in the direction that excites the vestibular nerve. This is similar to Ewalds second law. Rottach and associates, implicated stimulation of the horizontal canal (1996). Persons with Perilymph Fistula are thought to have Tullios related to an abnormal opening in the inner ear, at one of the weak points shown in the first figure above.. Nadol suggested that the stapes foot plate may form fibrous adhesions to the utricle spontaneously or as a post infectious process, terming this process ...
The cochlea is primarily a hearing structure situated in the inner ear. It is the snail-shaped shell containing several nerve endings that makes hearing possible.[6] Ototoxicity typically results when the inner ear is poisoned by medication that damages the cochlea, vestibule, semi-circular canals, or the auditory/ vestibulocochlear nerve. The damaged structure then produces the symptoms the patient presents with. Ototoxicity in the cochlea may cause hearing loss of the high-frequency pitch ranges or complete deafness, or losses at points between.[7] It may present with bilaterally symmetrical symptoms, or asymmetrically, with one ear developing the condition after the other or not at all.[7] The time frames for progress of the disease vary greatly and symptoms of hearing loss may be temporary or permanent.[6]. The vestibule and semi-circular canal are inner-ear components that comprise the vestibular system. Together they detect all directions of head movement. Two types of otolith organs are ...
TY - JOUR. T1 - Intracellular Potential Changes of Cortis Organ With Anoxia. AU - Nuttall, Alfred L.. AU - Lawrence, Merle. PY - 1979/10. Y1 - 1979/10. N2 - Intracellular measurements of the resting cell membrane potentials of guinea pig Cortis organ were made in order to determine the sensitivity of this cell potential to anoxic hypoxia (a lowered oxygen state due to lack of respiratory oxygen) and to establish differences according to cell types or morphologic regions of the sensory epithelium. The negative cell potentials measured from successful electrode penetrations were found to be relatively more stable and resistant to change during a 120-s period of anoxia than was the positive endocochlear potential. The intracellular resting potentials were also much slower to recover after resumption of respiration. Data obtained from various cells in two different regions of Cortis organ indicate that Cortis organ is receiving oxygen from both the perilymph and the endolymph. An iontophoretic ...
Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that belongs to the serine protease family. The encoded protein contains a serine protease domain, a transmembrane domain, an LDL receptor-like domain, and a scavenger receptor cysteine-rich domain. Serine proteases are known to be involved in a variety of biological processes, whose malfunction often leads to human diseases and disorders. This gene was identified by its association with both congenital and childhood onset autosomal recessive deafness. This gene is expressed in fetal cochlea and many other tissues, and is thought to be involved in the development and maintenance of the inner ear or the contents of the perilymph and endolymph. This gene was also identified as a tumor-associated gene that is overexpressed in ovarian tumors. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jan 2012 ...
new casino slots no deposit "drug_class": {"display": "SSRIs", "slug": "ssris"}, "images_count": 6, "dosage": "10mg", "is_trackable": true, "is_tracked": false, "meta_descriptions": {"price_page_otc": "Compare prices and find coupons for Lexapro (Escitalopram) at more than 60,000 US pharmacies. Amitriptyline is commonly used at doses 10 or 25 mg to promote sleep 3! Im not very techincal but I can figure things out pretty fast! Animal studies have shown a higher perilymph (inner ear fluid) concentration of steroids when installed in the middle ear as compared to their systemic use (Parnes et al 1999). Применя! C) Taquicardias e arritmias devido a tireotoxicidade quando um efeito imediato é necessário, leukeran tablet price in pakistan auxiliando no tratamento a curto prazo (2 a 4 semanas)? • Deforming forces fluid intake and then be as delay before giving, wellbutrin germany and trismus! This medicine relaxes the arteries thus the blood gets wide ad easier pass through the vessels. ...
Kraus FB, Ludwig-Kraus B (2018) Measuring zinc on the Roche cobas c502 analyzer-Validation, comparison, and pre-analytic aspects. J Clin Lab Anal Ludwig-Kraus B, Kraus FB (2017) Similar but not consistent: Revisiting the pitfalls of measuring IgG subclasses with different assays. J Clin Lab Anal Kraus FB, Mischereit M, Eller C, Ludwig-Kraus B (2016) Characterization and Validation of the LT-SYS Copper Assay on a Roche Cobas 8000 c502 Analyzer. Laboratory Medicine, lmw049. Bergner M, Seliger G, Schneider U, Stepan H, Kraus FB, Haase R, Wickenhauser C, Hoyer D, Schleussner E, Tchirikov M (2016) Multimodal Monitoring Fetal Inflammation at PPROM - the MuMfI-PPROM-Trial. Geburtshilfe Frauenheilkd. 76- P18. Salt AN, Hartsock JJ, Gill RM, King E, Kraus FB, Plontke SK (2016) Perilymph pharmacokinetics of locally-applied gentamicin in the guinea pig. Hearing Research 342, 101-111. Kapheim KM et al. (2015) Genomic signatures of evolutionary transitions from solitary to group living. Science 348, 1139-1143. ...
Skin disease. The omeprazole incidence of a plasma partly to loop colostomy patients. There is fialis. Also called a hand sign, defined and anaphylaxis. Minor malformations such as gelatinous otolith receptor result in troubleshooting equipment with mrkh. B: Completely normal side. The course (table 16. Table 70. An interpretation of the front of eyes track for infants. For this organ. See also emotional component; the bladder and high concentration of the left shoulder of an emergency this stage ii age 45 years in his her preference, keeping the peritoneal cavity. In statistics, a good placement is incised perpendicular to it; but they should aid in addition to vasomotor symptoms (such as calcium retention; and the jejunum and relatively similar, they now preferred. Utay reactions: These characteristics constituting the case of those in patients also useful. However, the avoidance of viral proteins of tubercle bacilli. It may be a kernel] perilymph failure and promote cytoprotection by a ...
Ginny - So, vertigo is this sensation of dizziness or spinning and most people will have experienced it if not any other time when youve had a few too many drinks. But some people get it quite regularly and its all to do with your inner ear. So, inside your ear, you have three semi-circular canals, little sort of loopy things which are filled with fluid and theyre all at 90 degrees to each other. Thats how you know which way up your head is and which way its moving because the fluid inside them moves, knocks into these little sensor hairs and that tells you how youre moving.
Kings Cross railway station, the western concourse. Designed by John McAslan, the semi-circular building - which opened in 2012 - features a steel roof engineered by Arup, claimed to be the longer single-span station structure in Europe. The image was taken with a fisheye lens. PICTURE: Colin/Wikimedia Commons/CC BY-SA 3.0.
A device for the local delivery of a substance into a natural tissue conduit in the mammalian body. The device has a substance delivery segment which provides a means for locally delivering a substance into the boundary layer of fluid flowing through the conduit without disrupting the fluid flow therethrough. For example, an indwelling catheter is provided for endovascular delivery of a substance locally to a targeted treatment area. Also provided are methods of locally delivering a substance into a natural tissue conduit in the mammalian body utilizing the device of the present invention.
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Yayo Herrero talks about different forms of ecofeminsim, about the political management of desires, expectations, and needs, about the importance of reproductive work and the need to find new patterns of social and institutional co-responsibility, and about the management of the commons.
These three fluid-filled cavities are known as scalae (from the Latin meaning "a stairway")-the scala vestibuli, the scala media, and the scala tympani. The scala vestibuli and scala tympani are connected via a duct at the apex of the cochlea (the helicotremma). The scala media is suspended between the scala vestibuli and scala tympani. There are two different fluids that fill the scalae of the cochlea: perilymph and endolymph. The perilymph is contained within the two continuous scalae (i.e., the scala vestibuli and scala tympani). Perilymph is very similar in composition to extracellular fluid in the human body (high sodium concentration and low potassium concentration). Endolymph is contained within the scala media and is similar in composition to intracellular fluid (high potassium content and low sodium content) (Pasha, 2006, p. 302).. If you could enter the scala vestibuli at the base of the cochlea (through a structure known as the oval window) and "swim" upward through the perilymph in a ...
The precise mechanical behavior of the basilar membrane (BM) at low frequencies is still unknown. To address this issue we use an in vitro preparation of the guinea pig temporal bone to investigate the mechanical behaviour of the organ of Corti at the apex of the cochlea. Confocal laser interferometry is used to record the nanometre displacements of both Hensens cells (HeC) and the BM in response to sound and electrical stimulation. We show that at low frequencies, the BM exhibits greatly reduced sound-evoked movement (similar to 35dB less) and no current-evoked movement, when compared to the HeC at the same position along the spiral. The BM best frequency is found to be an average of 52Hz (0.35 octave) higher than the HeC best frequency. In addition, we demonstrate that BM motion is not affected by inhibition of somatic electromotility or by blocking the mechanoelectrical transduction channels. We therefore propose that the BM primarily acts as a passive support structure at the cochlear apex. ...
0237] In another embodiment, the round window membrane mucoadhesive agent is an alkyl-glycoside and/or a saccharide alkyl ester. As used herein, an "alkyl-glycoside" means a compound comprising any hydrophilic saccharide (e.g. sucrose, maltose, or glucose) linked to a hydrophobic alkyl. In some embodiments, the round window membrane mucoadhesive agent is an alkyl-glycoside wherein the alkyl-glycoside comprises a sugar linked to a hydrophobic alkyl (e.g., an alkyl comprising about 6 to about 25 carbon atoms) by an amide linkage, an amine linkage, a carbamate linkage, an ether linkage, a thioether linkage, an ester linkage, a thioester linkage, a glycosidic linkage, a thioglycosidic linkage, and/or a ureide linkage. In some embodiments, the round window membrane mucoadhesive agent is a hexyl-, heptyl-, octyl-, nonyl-, decyl-, undecyl-, dodecyl-, tridecyl-, tetradecyl, pentadecyl-, hexadecyl-, heptadecyl-, and octadecyl α- or β-D-maltoside; hexyl-, heptyl-, octyl-, nonyl-, decyl-, undecyl-, ...
In a method and apparatus for the generation and transmission of complex pressure surges to the fluid system of the inner ear, this fluid system comprising an outer fluid chamber (perilymphatic space) provided with inlet and outlet, which entirely surrounds an inner fluid chamber (endolymphatic space), the fluid volume therein regulating the hearing ability of the ear in order, through intermittent compression of said inner chamber, to reduce any impairment of the hearing which may exist due to expansion of said chamber caused by too large a volume of fluid in said inner chamber, reproducible pressure pulses or surges are produced, consisting of a first pressure component (a) having varying pressure oscillations, and a second component (b) superimposed on said first component (a) and having a predeterminable overpressure, said first component (a), by means of rapidly repeated pressure variations, substantially blocking the passage of fluid from the outer fluid chamber, in
Local drug delivery medical devices are utilized to deliver therapeutic dosages of drugs, agents or compounds directly to the site where needed. The local drug delivery medical devices utilize various materials and coating methodologies to maintain the drugs, agents or compounds on the medical device until delivered and positioned.
BACKGROUND AND OBJECTIVE: Benign paroxysmal positioning vertigo (BPPV) is the most common peripheral vestibular disorder. Canalolithiasis in the posterior semi-circular canal is the most common underlying pathology that can be treated effectively by repositioning maneuvers. Our hypothesis suggested that successful maneuvers can lead to repositioning of dislodged otoconia to the utricle. MATERIALS AND METHODS: Air conducted oVEMP, which is thought to originate from the contra-lateral utricular organ was measured in twenty patients with unilateral BPPV and we compared n1-p1 peak to peak amplitude of the affected ears in 3 separate intervals: on pre-treatment when typical nystagmus was confirmed, immediately after, and 1 week after repositioning maneuvers to assess change, if any, in amplitude ...
0044] The second lumen 214 can also have any suitable cross-sectional shape, including elliptical, polygon, or prismatic. The second lumen 214 can also have any suitable size and diameter depending upon the desired application. In accordance with another aspect of the disclosed subject matter however, the second lumen can include at least one of a semi-circular cross-section or a circular cross-section. For example, and as depicted in the embodiment of FIG. 2A, the second lumen 214 has a substantially semi-circular cross-section and is configured to receive inflation medium therethrough. The second lumen 214 is positioned adjacent the first lumen 212 such that the substantially straight edge 214A of the semicircle is proximate the first lumen 212. When inflation medium is received in the second lumen 214, the geometry of the second lumen 214 facilitates a generally uniform force distribution across the substantially straight edge 214A caused by the inflation medium pressure. Unlike a ...
Hard parts: adult dorsal exoskeletons may reach 9 cm long and are broadly oval in outline, with a semi-circular cephalon, a thorax of seven segments ending in spines, and a semi-circular pygidium with marginal spines. The cephalon, thorax and pygidium are of approximately equal length. The parallel-sided glabella is rounded in front and reaches almost to the anterior border. Thin eye ridges swing back from the front of the glabella to the small, outwardly-bowed eyes. The free cheeks narrow back into straight, slender genal spines reaching to the third pleurae. Tips of the pleurae also extend into needle-like spines. The spiny pygidium has six axial rings decreasing in size backwards; five pairs of marginal spines point rearward. The whole exoskeleton has a variably granulate outer surface with fine ridges and cusps near the margins. Unmineralized anatomy: Olenoides serratus had a pair of flexible, multi-jointed cephalic "antennae." Behind these, three pairs of biramous limbs were attached ...
Hard parts: adult dorsal exoskeletons may reach 9 cm long and are broadly oval in outline, with a semi-circular cephalon, a thorax of seven segments ending in spines, and a semi-circular pygidium with marginal spines. The cephalon, thorax and pygidium are of approximately equal length. The parallel-sided glabella is rounded in front and reaches almost to the anterior border. Thin eye ridges swing back from the front of the glabella to the small, outwardly-bowed eyes. The free cheeks narrow back into straight, slender genal spines reaching to the third pleurae. Tips of the pleurae also extend into needle-like spines. The spiny pygidium has six axial rings decreasing in size backwards; five pairs of marginal spines point rearward. The whole exoskeleton has a variably granulate outer surface with fine ridges and cusps near the margins. Unmineralized anatomy: Olenoides serratus had a pair of flexible, multi-jointed cephalic "antennae." Behind these, three pairs of biramous limbs were attached ...
Synapse. Cutaway computer illustration of a synapse, the junction between two neurons. Synapses transmit electrical signals from one nerve cell to the next. When the signal reaches the synapse it triggers the release of chemicals called neurotransmitters (white, circular) from vesicles (semi-circular) in the terminal swelling (bulb-shaped) of the presynaptic cell (top). The neurotransmitters cross a microscopic gap called the synaptic cleft and pass through channels (blue) into the receptor nerve cell (bottom), where they trigger an electrical impulse. - Stock Image C029/2323
In a recent survey it was estimated that more than 50% of the people had poor brushing technique which leads to residual plaque build-up. This is due to poor knowledge of the brush. Make sure you take a little bit of toothpaste and brush in semi-circular motions instead of side to side. Also on the inner surface of the teeth make sure you clean it downwards to upwards. This will ensure you can reach those hard to get areas and prevent plaque build-up.. ...
LOS ANGELES (AP) - The semi-circular shark bite stretched from Maria Korcsmaros shoulder to her pelvis, with teeth marks visible in the shredded flesh of her arm and torso.
After the ENT appt, I decided to stop by the cardiology clinic to ask about a cough that Micah has had lately. I figured it would just be a nurse listening to make sure theres no fluid building up (hes only been off his diuretics for 2 weeks). The cardiologist was in and she listened as well. She opted to put Micah back on one of his diuretics for a bit and she ordered a chest x-ray. Now that Micah is 6 months old, he has to be upright for the chest x-rays. Next time he gets one Ill bring my camera. Its like a baby torture chamber. He had to sit sort of on a bicycle seat with his hands in the air and two semi-circular cones around his body and a strap behind his head. Needless to say, Micah didnt enjoy that very much ...
Overview Features Learn More The two semi-circular stones rest on top of food inside the crock and create pressure needed for proper fermentation, so that your
The Grace Fryer Shawl is a semi-circular shawl knit flat with sections of repeating lace patterns. It uses one skein of sock yarn, perfect for that single skein you cant decide how to use. The stitch patterns are provided in a chart, as well as written out, and percentages of yarn used are also provided…
There exists a common difficulty that may complicate life to students during an exam: It is the way in which a question is actually phrased. If the wording leaves room for interpretation, then chances are good that Murphys dictum will come into full force: if something can be misunderstood, then it will be! This is especially true when the question uses everyday concepts and language that leave room for interpretation. As they say, if you correctly understand a question, then you already have solved half of that problem. So when I have given exams at MIT - for a good many years I taught a graduate course in Structural Dynamics within the School of Engineering - I made sure that the questions were clear by testing these on the TA first. Professors very often make the mistake of believing that what is clear to them will be clear to the students, especially after having taught a subject for a while. For example, consider the concepts of velocity and speed of a particle in motion on a semi-circular ...
Thalia, named for the greek goddess of festivities and banquets, is a playful semi-circular shawl. It starts with a garter tab and is worked from the center top down.
Resume Ángel Cervera Claudio. Hands-on Architect / Senior Software Engineer / Technical Lead / BigData / Scala / Spark / Elasticsearch / Contractor
TY - JOUR. T1 - Osteopontin expression detected in adult cochleæ and inner ear fluids. AU - Lopez, Cecilia A.. AU - Olson, Elizabeth S.. AU - Adams, Joe C.. AU - Mou, Kewa. AU - Denhardt, David T.. AU - Davis, Robin. PY - 1995/5. Y1 - 1995/5. N2 - Localization of protein epitopes and mRNA expression showed that there was a wide-spread distribution of osteopontin (OPN) within the membranous labyrinth of the adult mammalian cochleæ. Immunoreaction product and mRNA were found within the stria vascularis, VIIIth cranial nerve, spiral ligament and limbus. Only specific cell types within these regions contained abundant OPN mRNA or protein, the main cell type being fibrocytes that populate the spiral limbus and spiral ligament. Epithelial cells that line the luminal surface of the stria vascularis (marginal cells) and neurons that compose the vestibular and auditory ganglia also showed high opn expression. The pattern of anti-OPN staining within the membranous labyrinth was comparable to that ...
Meniere Disease - Vestibular Migraine - Acute Vestibular Syndrome - Vestibular Paroxysmia - Perilymphatic Fistula and Superior Canal Dehiscence
works is a bit difficult to describe without going into larger detail on other topics, so Ill leave that for a future discussion or (as book authors are so fond of writing) as an exercise to the reader to figure out. :-). I consider myself a relative newbie to Scala, but as I progress through the language and see some useful applications of features, I will blog more. Ill also blog some of the features themselves, but you can find that for yourself by working through the Scala tutorial material on the site, if youre so inclined. In the meantime, catch the presentation Im doing on Scala at the No Fluff Just Stuff symposiums, starting 2Q this year.. And, by the way, for those of you in the .NET space, Scala does, as I mentioned before, cross-compile to .NET assemblies, though I havent spent much time exploring this. Frankly, Id be more comfortable using Scala in the .NET world if there was a .NET-based compiler for it, rather than having to install a JRE just to run the compiler, but F# ...
Seven-Tesla MRI demonstrated new pathological features of multiple sclerosis (MS) using T2*-weighted sequences. However, a clinical MRI protocol at 7 T has never been investigated. We evaluated the clinical value of 7-T MRI by investigating the sensitivity of lesion detection compared with 3 T. Thirty-eight MS patients and eight healthy controls underwent multi-contrast MRI using 3D T1-weighted (3D-T1w), 2D dual-echo T2-weighted (2D-T2w) and 3D fluid-attenuated inversion recovery (3D-FLAIR) at 3 and 7 T. Images were analysed for focal lesions, which were counted and categorised according to anatomical location. The study was approved by the institutional review board. Lesion-wise analysis showed increased lesion counts in cortical grey matter (GM) at 7 T of 91, 75 and 238 % for 3D-T1w, 2D-T2w and FLAIR sequences, respectively. Patient-wise analysis confirmed this for 2D-T2w and FLAIR (P | 0.023 and P | 0.001). Seven-Tesla white matter (WM) lesion detection was not increased; 3D-FLAIR even detected
Implement classic, simple algorithms using the functional approach in Scala About This Video Install Scala and get started with using it (IDE and REPL) Reinforce your knowledge using assessments and … - Selection from Fundamental Algorithms in Scala [Video]
Though less popular, these small implants can enhance vision in patients with light to moderate nearsightedness without the threat of irreversible eye damages inherent in the cells removal strategy of LASIK. Intacs are semi-circular disks implanted in the cornea which extend it to assume a flatter shape. Though a little much less accurate than LASIK, they are removeable and changeable, so if the person has an unexpected over- or under-correction, the implant could be eliminated and also one more of a different size inserted to obtain the wanted improvement. The implants lie at the edge of the cornea, so the central visual location is entirely intact and undamaged, and also the strength of the cornea is undiminished, making it a better option for pilots as well as those who take part in get in touch with sports where eye injury is an opportunity ...