AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaHealth Care
LarynxMusclesLaryngeal NeoplasmsMuscle ProteinsMuscle, SmoothMuscle, SkeletalMuscle Fibers, SkeletalMuscle, Smooth, VascularLaryngectomyMuscle DevelopmentMuscle ContractionVocal CordsLaryngeal DiseasesLaryngeal MucosaPhonationGlottisMuscle FatigueLaryngeal MusclesMuscle Fibers, Fast-TwitchMuscle DenervationEpiglottisMuscle Fibers, Slow-TwitchLaryngeal NervesNeck MusclesMyocytes, Smooth MuscleMitochondria, MuscleHypopharyngeal NeoplasmsLaryngoscopyOculomotor MusclesPharyngeal NeoplasmsMuscle, StriatedMuscle SpindlesMuscle RelaxationKymographyRespiratory MusclesMuscle WeaknessPapillary MusclesLaryngeal CartilagesAbdominal MusclesQuadriceps MuscleMuscle CellsElectromyographyMasseter MuscleFacial MusclesMasticatory MusclesCricoid CartilageIntercostal MusclesPharyngeal MusclesMuscular AtrophyIsometric ContractionSatellite Cells, Skeletal MusclePectoralis MusclesVoice QualityHyoid BoneMuscular DiseasesArytenoid CartilageCarcinoma, Squamous CellDeglutitionTracheaHypopharynxTime FactorsPsoas MusclesRabbitsBiomechanical PhenomenaElectric StimulationMyofibrilsTemporal MuscleHindlimbLaryngeal EdemaVocal Cord ParalysisPharyngectomyHead and Neck NeoplasmsCells, CulturedMyosin Heavy ChainsCalciumNeuromuscular JunctionVibrationDiaphragmLaryngitisReflexMotor NeuronsDogsGlycogenAir PressureOrgan Sparing TreatmentsRNA, MessengerRats, Sprague-DawleyStroboscopyCatsVocalization, AnimalMuscular Dystrophy, AnimalImmunohistochemistryVoice DisordersMyoblastsPressureMuscle CrampActinsDeglutition DisordersPharynxAcoustics
EsophagusNeckTracheaSpasmodic dysphoniaPharynxNoseAirwayTongueEpitheliumParalysisCricoidVoiceEpiglottisContractionsOpensSpasmsOropharynxTissuesIntrinsic musclesSkeletal muscleOrgansAnatomySpasmLigamentsBotoxNerveSensoryDisordersNeuralTissueCartilagesTensionPharyngealExaminationDiseasesBotulinumNervesMasticatory muscleCervicalArytenoidVocal cord musclesSignalsHorsesSidesAllergic reactionsNormalBreatheSpeechInclude
Esophagus8
Neck9
  • Continuous electromyography of the arytenoid muscle can provide confidence to surgeons that the recurrent laryngeal nerve is not damaged during neck surgeries, such as thyroidectomy. (wikipedia.org)
  • A careful history and clinical examination of the jaw and neck muscles will facilitate a tentative diagnosis that may be followed by the need for additional examinations and investigations. (springer.com)
  • Students study gross and histological anatomy of the head, neck including larynx, and back. (edu.au)
  • Most people do not realize that their throat actually begins behind their nasal cavity and continues into their neck, where the larynx sits. (ihealthdirectory.com)
  • We will examine your head, neck, and larynx (voice box) as part of a comprehensive voice evaluation. (dukehealth.org)
  • The larynx is located within the anterior aspect of the neck , anterior to the inferior portion of the pharynx and superior to the trachea . (medscape.com)
  • But to study how the approximately 100 muscles in the human head, neck, jaw, tongue, and lips work together to create speech and song, the Beckman Institute for Advanced Science and Technology at the University of Illinois has developed new technology that allows MRIs to capture 100 frames per second . (mentalfloss.com)
  • By the end of the meal, although he drank some fluids, Adam had severe muscle pain in his legs, arms, neck and chest. (fodsupport.org)
  • Therefore, the influence of the craniocervical posture on the functionality of the stomatognathic system may be based on the concept of the craniocervicomandibular unit, which defines the muscle-skeletal relationship covered by head, neck and mandible 2 . (bvsalud.org)
Trachea4
Spasmodic dysphonia3
  • Spasmodic dysphonia is a rare voice disorder that causes spasms in the muscles of the voice box or larynx. (rochester.edu)
  • Diagnosing spasmodic dysphonia can be difficult because the larynx appears normal, and symptoms can be similar to other disorders. (rochester.edu)
  • Whereas spasmodic dysphonia specifically affects the vocal cords, vocal tremor can involve muscles in the throat and those used for breathing and articulation, such as the tongue, jaw, and palate. (dukehealth.org)
Pharynx10
Nose3
  • You may also have numbing medicine sprayed into your nose, throat, and larynx. (medlineplus.gov)
  • A tiny camera attached to a small tube called an endoscope is inserted through your nose and allows us to see your vocal cords and larynx (voice box). (dukehealth.org)
  • Voice therapy helps you learn to relax your throat muscles, use your breath to power your voice efficiently, and use good oral resonance (how air flows through your mouth and nose when you speak). (dukehealth.org)
Airway4
  • When someone has an asthma attack , the way the muscles and fibers in the airway walls contract and relax change. (medicalnewstoday.com)
  • Laryngoscopy is a procedure whereby the airway and the passage into the airway (the glottis) is visualized or exposed to provide a route for the administration of anesthetic gases, introduce an endotracheal tube for securing the airway, allow a detailed examination of the larynx and its structures, or perform minor endolaryngeal procedures (eg, obtaining tissue specimens for biopsy). (medscape.com)
  • When there is an obstruction in the horse's upper airway (in this case, sides of the larynx) it causes turbulence and hence a roaring noise. (smartpakequine.com)
  • This could reflect the consequences of epithelial damage and the greater penetration of MCh across the airway wall to reach the smooth muscle. (cdc.gov)
Tongue4
  • A brain-computer interface device synthesizes speech using the neural signals that control lip, tongue, larynx and jaw movements, and could be a stepping stone to restoring speech function in individuals unable to speak. (nature.com)
  • It requires precise, dynamic coordination of muscles in the articulator structures of the vocal tract - the lips, tongue, larynx and jaw. (nature.com)
  • She can no longer use the muscles of her lips, tongue, larynx and jaw to make the sounds that add up to speech. (upi.com)
  • The efficient chewing is exerted through a coordinated interaction between the mandible, tongue and hyoid movements with the occlusal plane alignment and the masticatory muscle performance 5 . (bvsalud.org)
Epithelium1
  • The cilia of this epithelium help to propel mucus and foreign particles towards the larynx. (brainkart.com)
Paralysis3
  • The exam allows your team to look for lesions, stiffness, paralysis , irregular movements, muscle strain, or incomplete closure of the vocal cords. (dukehealth.org)
  • The veterinary term for roaring is called Left Laryngeal Hemiplegia, meaning paralysis of half of the larynx. (smartpakequine.com)
  • Central lesions or lesions to the laryngeal recurrent nerve or to the dorsal cricoarytenoide muscle result in laryngeal paralysis in dogs and cats. (ivis.org)
Cricoid3
Voice21
  • This weakens the muscles and improves voice quality. (medlineplus.gov)
  • BTX injections are used to treat other problems in the voice box (larynx). (medlineplus.gov)
  • Atypical tension in the muscles in the voice box, which is known as the larynx, can affect speech. (medicalnewstoday.com)
  • The vocal cords (two small bands of muscle within the larynx that vibrate to produce the voice). (cancer.gov)
  • Larynx (also known as the voice box). (chop.edu)
  • Throat cancer is a type of cancer that refers to tumors which will develop either in your throat or your larynx (voice box). (ihealthdirectory.com)
  • The findings -- which could lead to a better understanding of speech disorders -- refute a long-existing presumption that only the primary motor cortex, nicknamed M1, directly influences the larynx or voice box, said principal investigator Peter L. Strick, Ph.D., Thomas Detre Professor and chair of neurobiology at Pitt. (sciencedaily.com)
  • Muscle tension dysphonia, or voice strain caused by muscle tightness, can occur even when there is no damage to your vocal cords (also known as vocal folds). (dukehealth.org)
  • If your voice is tired, your throat feels tight, or it hurts to talk, you may have muscle tension dysphonia, or voice strain caused by muscle tightness. (dukehealth.org)
  • This common voice problem can occur even if your vocal cords are normal but the muscles in your throat are working inefficiently. (dukehealth.org)
  • You may not be using your breath to effectively energize your voice, or your throat muscles may be too tight when you speak. (dukehealth.org)
  • Muscle tension dysphonia can make your voice sound strained or hoarse and can make it uncomfortable to talk. (dukehealth.org)
  • It is common to experience muscle tension dysphonia along with another voice problem. (dukehealth.org)
  • The neuromuscular system and larynx change and atrophy as we age, and this contributes to a lot of the deficits that we associate with the older voice, such as a weak, strained, or breathy voice," Johnson said in a press release . (mentalfloss.com)
  • The syrinx puts our voice box - or larynx - to shame. (alaska.gov)
  • Both studies involve implanting electrodes that specifically track brain activity related to creating speech, using the facial and voice box muscles that Bennett now cannot control. (upi.com)
  • The cause of voice problems can vary widely, from muscle tension related to psychological stress to physical changes on the vocal cords (also known as vocal folds) due to growths, injury or other illnesses. (vch.ca)
  • Improper use of the voice and vocal muscles is the main factor that causes voice problems, but strokes, neurological diseases, cancer and chronic health issues such as gastroesophageal reflux can also lead to voice problems. (vch.ca)
  • A complex interaction of factors often causes disorders of the voice and larynx (voice box). (vch.ca)
  • When the acid backs up into the voice box (larynx), the condition is referred to as reflux laryngitis. (medicinenet.com)
  • The vocal spasms are due to a faulty connection between a nerve and the muscle that controls your larynx (voice box). (dukehealth.org)
Epiglottis2
Contractions3
  • People who have life-threatening attacks of low calcium levels or prolonged muscle contractions are given calcium through a vein (IV). (mountsinai.org)
  • 6) Cardiac Muscle - heart wall, involuntary, striated muscle with intercalated discs connecting cells for synchronized contractions during heart beat. (exploringnature.org)
  • Diazepam is useful in suppressing muscle contractions by facilitating inhibitory GABA neurotransmission and other inhibitory transmitters. (medscape.com)
Opens2
Spasms2
  • Precautions are taken to prevent seizures or larynx spasms. (mountsinai.org)
  • This syndrome is an extremely rare progressive disease that causes spasms, rigidity, and muscle stiffness. (bewellbuzz.com)
Oropharynx1
  • These three muscles are the superior pharyngeal in the oropharynx, the middle pharyngeal constrictor in the laryngopharynx, and the inferior pharyngeal constrictor also in the laryngopharynx. (databasefootball.com)
Tissues4
  • Angiotensin, formed in the blood by the action of angiotensin converting enzyme (ACE), is a powerful chemical that attaches to angiotensin receptors found in many tissues but primarily on smooth muscle cells surrounding blood vessels. (medicinenet.com)
  • inflammation and destruction of muscle ( rhabdomyolysis ) and swelling of soft tissues including those of the throat and larynx ( angioedema ). (medicinenet.com)
  • Marked edema of the tissues adjacent to the larynx is common. (merckvetmanual.com)
  • The left calf showed a long gash through skin & tissues to the deep muscles & reaching from the knee to 5 ins above the ankle. (casebook.org)
Intrinsic muscles2
Skeletal muscle3
  • Agamanolis DP, Dasu S, Krill CE Jr. Tumors of skeletal muscle. (springer.com)
  • Skeletal muscle relaxants have modest, short-term benefit as adjunctive therapy for nociceptive pain associated with muscle strains and, used intermittently, for diffuse and certain regional chronic pain syndromes. (medscape.com)
  • Also expressed in lung and placenta, and at very low levels in brain, heart, skeletal muscle and kidney. (lu.se)
Organs1
  • The excess of growth hormone means muscles, organs, and bones grow to a larger-than-usual size. (bewellbuzz.com)
Anatomy2
Spasm3
Ligaments2
Botox1
  • Botox injections work by weakening or paralyzing certain muscles or by blocking certain nerves. (nih.gov)
Nerve11
  • Both receive motor innervation from the recurrent laryngeal nerve(s) (each nerve being a branch of one vagus nerve (CN X)). Function of the arytenoid muscle is a good method to determine function of the recurrent laryngeal nerve. (wikipedia.org)
  • When injected, BTX blocks nerve signals to muscles so they relax. (medlineplus.gov)
  • B, D, and F) CAL muscles of a 4-year-old Standardbred at 4 (A and B), 18 (C and D), and 28 (E and F) weeks after unilateral neurectomy of the right recurrent laryngeal nerve. (avma.org)
  • gray line) sides of adult Standardbreds as determined by ultrasonography performed by a percutaneous approach through a lateral acoustic window of the larynx at 1-week intervals after neurectomy of the right recurrent laryngeal nerve. (avma.org)
  • Ultrasonographic images obtained by a transesophageal approach of the CAD muscles on the control (A and C) and neurectomized (B and D) sides of a 4-year-old Standardbred 14 weeks after neurectomy of the right recurrent laryngeal nerve. (avma.org)
  • The trochlear nerve controls the superior oblique muscle, which helps with eye movement, while the oculomotor nerve controls several eye muscles responsible for eye movement, pupil constriction, and focusing. (proprofs.com)
  • The trigeminal nerve is responsible for transmitting sensory information from the face and controlling the muscles involved in chewing. (proprofs.com)
  • Roaring is caused when the left Recurrent Laryngeal Nerve, the nerve that stimulates the cricoarytenoid dorsalis muscle (which controls the movement of the left arytenoid cartilage) is damaged or inflamed. (smartpakequine.com)
  • This either hinders or blocks nerve transmission, making the cricoarytenoid dorsalis muscle partially or fully paralyzed. (smartpakequine.com)
  • The laryngeal recurrent nerve innervates this muscle. (ivis.org)
  • The outer circular layer is made up of three incomplete circular muscles that are innervated by the vagus nerve or nervus vagus. (databasefootball.com)
Sensory2
  • Sensorimotor integrative function of the larynx was evaluated in 134 infants by laryngopharyngeal sensory testing (LPST) of the laryngeal adductor reflex (LAR) by delivering a duration- (50 ms) and intensity- (2.5-10 mm Hg) controlled air pulse to the aryepiglottic fold to induce the LAR. (nih.gov)
  • Other functions of the larynx include the production of sound (phonation), coughing, the Valsalva maneuver, and control of ventilation, and acting as a sensory organ. (medscape.com)
Disorders2
  • This chapter represents a concerted attempt to provide the clinician with a comprehensive overview on the basic neurobiological mechanisms underlying the many different manifestations of jaw muscle pain and disorders. (springer.com)
  • Neurologic disorders of the larynx. (medlineplus.gov)
Neural2
  • By carefully mapping neural networks in marmoset and macaque monkeys, they determined that multiple areas in the brain's frontal lobe control the muscles of vocalization and could provide a foundation for complex speech. (sciencedaily.com)
  • A new study presents histological and biomechanical evidence that purring can occur passively, without needing muscle vibration in the larynx controlled by an independent neural oscillator. (lu.se)
Tissue8
  • The wall is made up of connective tissue and smooth muscles. (brainkart.com)
  • Laryngomalacia is an enigmatic disease in which laryngeal tone is weak, resulting in dynamic prolapse of tissue into the larynx. (nih.gov)
  • The larynx is a cylindrical grouping of cartilage, muscles, and soft tissue that contains the vocal cords. (chop.edu)
  • We were concerned in two areas at that time, one being the long term effect of frequent breakdown of muscle tissue in Adam's body, and the other the long-term effect of a deficiency of DHA (4) on his retinas. (fodsupport.org)
  • If this state is not quickly alleviated, his muscle tissue begins to breakdown in an attempt to provide an alternate energy source. (fodsupport.org)
  • The extreme symptom of this metabolic crisis is Myoglobinuria (3) which is the breakdown of muscle tissue to such an extent that it can be measured in the urine. (fodsupport.org)
  • We are concerned that if Adam's muscle tissue is so frequently breaking down, it is becoming weaker. (fodsupport.org)
  • One week when he was complaining particularly frequently I brought him for a CPK (Liver Enzyme) test to determine if his muscle tissue breakdown was worsening. (fodsupport.org)
Cartilages2
  • The cartilages of the larynx. (wikipedia.org)
  • The dorsal cricoarytenoide muscle abducts the arytenoid cartilages at each inspiration. (ivis.org)
Tension3
  • Muscle tension dysphonia can happen when you've been sick and developed a vocal cord injury, such as laryngitis or swelling of the vocal cords. (dukehealth.org)
  • Other factors that may contribute to muscle tension dysphonia include excessive talking without breaks, screaming, talking loudly in noisy environments, or habitually speaking at a pitch that is too high or too low for you. (dukehealth.org)
  • Since he continued to talk -and was feeling anxious, tired and unwell-he started using his throat muscles in a different way, with too much tension. (vch.ca)
Pharyngeal1
Examination1
  • Examination of the larynx may reveal redness and swelling, but many diseases of the larynx as well as reflux can cause these signs. (medicinenet.com)
Diseases1
  • The range of conditions varies from muscle pain being secondary to other diseases and conditions, to being the primary pain condition, i.e., there are no obvious causes or known etiological factors for the pain or dysfunction. (springer.com)
Botulinum1
  • Botulinum toxin injections in spastic muscles or salivary glands can be very helpful in managing spasticity or sialorrhea/drooling, respectively. (medscape.com)
Nerves1
Masticatory muscle1
  • This chapter will aid in the diagnostic process and institution of appropriate therapy for masticatory muscle pain. (springer.com)
Cervical2
  • The hyoid bone, despite not being articulated to the system, it maintains muscle connections with the cranium basis and with the mandibular symphysis, and fascial connections with the cervical column 3 . (bvsalud.org)
  • A synergism between the tonic-postural cervical, masticatory, supra and infrahyoid muscles is established up to the point that a craniocervical change may alter it and consequently, the mandibular and hyoid bone position as well 4 . (bvsalud.org)
Arytenoid2
  • The arytenoid muscle /ærɪˈtiːnɔɪd/ or interarytenoid muscle is a composite intrinsic muscle of the larynx, consisting of a transverse part and an oblique part - the two parts may be considered as separate muscles: an unpaired transverse arytenoid muscle, and a bilaterally paired oblique arytenoid muscle. (wikipedia.org)
  • The arytenoid muscle is found in many animals, including dogs. (wikipedia.org)
Vocal cord muscles3
  • An EMG machine records the movement of your vocal cord muscles through tiny electrodes placed on your skin. (medlineplus.gov)
  • Your provider will use a long, curved needle to inject directly into the vocal cord muscles. (medlineplus.gov)
  • This temporarily weakens overactive vocal cord muscles to allow you to speak more easily and clearly. (dukehealth.org)
Signals2
  • Instead, several cortical regions send signals to laryngeal muscles to create greater vocal finesse in some nonhuman primates. (sciencedaily.com)
  • In addition to M1, both kinds of monkeys had multiple premotor areas in the frontal lobe that send descending command signals to the cricothyroid muscle. (sciencedaily.com)
Horses2
  • Summary of muscle appearance grades assigned to the CAL muscle on the neurectomized side for the horses of Figure 2 . (avma.org)
  • The CAD muscle of only 21 horses was evaluated because the equipment necessary for evaluation of the larynx by the transesophageal approach did not become available until after the study began. (avma.org)
Sides1
  • The syrinx has two sets of membranes and muscles, and the two sides are independently controlled, allowing for complex vocalizations. (alaska.gov)
Allergic reactions1
  • Anatomical factors may be temporary conditions that change the structure of the vocal folds, larynx or vocal tract (e.g. cold or flu, allergic reactions or asthma) or more permanent conditions (e.g. injuries, Parkinson's Disease). (vch.ca)
Normal2
  • Inability to execute a voluntary movement despite being able to demonstrate normal muscle function. (wikipedia.org)
  • Normal balance depends on information from the labyrinth in the inner ear, from other senses such as sight and touch, and from muscle movement. (wikipedia.org)
Breathe1
Speech1
Include1
  • Emotional factors include tensing muscles in the breathing system if an individual is scared (e.g. stage fright). (vch.ca)