Stapes. Medical search. FAQ

malleus (hammer), incus (anvil), and stapes (stirrup), so named because of the resemblance of the bones to these objects. (britannica.com)
In total, 83 participants were included and divided into two different groups: malleus assembly to the stapes head (MASH), and TM assembly to the stapes head (TASH). (thefreedictionary.com)
The most commonly used autograft material has been the incus body, which is often reshaped to fit between the manubrium of the malleus and the stapes capitulum. (medscape.com)
The purpose of tympanoplasty is to repair the perforated eardrum, and sometimes the middle ear bones (ossicles) that consist of the incus, malleus, and stapes. (encyclopedia.com)
The three auditory ossicles - the malleus, incus, and stapes - are tiny bones found in the middle ear. (innerbody.com)
The anvil-like incus is the middle ossicle that forms synovial joints with the malleus on its lateral side and the stapes on its medial side. (innerbody.com)
The incus is widest where it meets the malleus and tapers to a thinner projection known as the lenticular process where it meets the stapes. (innerbody.com)
The malleus conducts its vibrations into the incus through its synovial joint and the incus likewise conducts vibrations into the stapes. (innerbody.com)
A pair of skeletal muscles, the tensor tympani and stapedius, contract to reduce the vibration of the malleus and stapes in response to loud sounds. (innerbody.com)
In a narrow niche of complex shape within the temporal bone, the malleus, incus, and stapes, the tympanic membrane, the ligaments, and the muscles are intricately arranged in a 3-D configuration that continues to amaze even after many hours of observation. (springer.com)
descends nearly vertically behind and parallel to the manubrium of the malleus, and, bending medialward, ends in a rounded projection, the lenticular process, which is tipped with cartilage, and articulates with the head of the stapes. (bartleby.com)
The ossicles are, in order from the eardrum to the inner ear (from superficial to deep), the malleus , incus , and stapes . (wikipedia.org)
The structure is known as the middle ear, and is made up of the incus, stapes, malleus, and tympanic membrane. (wikipedia.org)
The middle ear contains the three tiny bones, or ossicles (malleus, incus, and stapes), that are linked together as the ossicular chain. (encyclopedia.com)
Draw sketches of them and label them with the Latin names, (malleus, incus and stapes) and the common names, (hammer, anvil and stirrup). (crosswalk.com)
M=malleus, I=incus, S=stapes). (studystack.com)
These are the incus, malleus, and stapes bones. (medlineplus.gov)
If you did, it was because of the three bones in your middle ear, known as the hammer (malleus), anvil (incus) and stirrup (stapes). (dispatch.com)

Conductive hearing loss from such variants may stem from stapes footplate ankylosis, fixation of the malleoincudal joint, or fixation of the incus short process. (hindawi.com)
In this case, the constellation of both stapes and incus fixation, an exceptionally tall stapes suprastructure, thickened long process of the incus, and enlarged incus body was encountered, leading to distinct challenges during otologic surgery to improve hearing thresholds. (hindawi.com)
Heterozygous Nog+/− mice display mild conductive hearing loss due to stapes fixation [ 3 ]. (hindawi.com)
The attachment of a titanium stapes piston was assessed without crimping, followed by loose crimping and tight fixation to the incus, using scanning laser Doppler interferometry, endoscopic photography, micro grinding technique, and scanning electron microscopy. (uzh.ch)
Progressive deafness with stapes fixation , also known as Thies Reis syndrome , is a form of conductive or mixed hearing loss caused by fixation of the stapes. (cdc.gov)
Progressive deafness with stapes fixation is characterized by hearing loss in both ears that can be conductive, sensorineural , or a mix of both and abnormal development of the stapes , one of the three small bones in the middle ear. (cdc.gov)
The exact cause of progressive deafness with stapes fixation depends on whether it is associated with an underlying condition or infection. (cdc.gov)
Treatment for progressive deafness with stapes fixation be treated typically involves surgery. (cdc.gov)
Surgical treatment of isolated deafness with stapes fixation allows good functional results regardless of age or type of surgery. (cdc.gov)
In otosclerosis, a callus of bone accumulates on the stapes creating a partial fixation. (marshfieldclinic.org)
This characteristic sign of DFNX2 is called stapes fixation. (medlineplus.gov)
Stapes fixation caused by an ossified stapedius tendon with normal mobility of the footplate, although rare, should be included in the differential diagnosis of conductive hearing loss with a normal tympanic membrane. (entjournal.com)

Hearing results in stapes surgery. (mendeley.com)
CONCLUSION: Our data shows that titanium piston is a as good as fluoroplastic piston in stapes surgery for otosclerosis. (mendeley.com)
Most reported cases of CSF leaks related to stapes surgery are congenital (X-linked progressive mixed deafness), although adults affected by otosclerosis can also experience this complication during surgery. (thefreedictionary.com)
3) Stapes surgery is considered successful when air-bone gap is closed to less than 10 dB. (thefreedictionary.com)
OBJECTIVES/HYPOTHESIS: Although in stapes surgery successful hearing improvement may be achieved in the majority of patients, unsatisfactory closure of the air-bone gap can be recorded. (uzh.ch)
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Stapes surgery. (bookinghealth.com)
Objective To evaluate the functional outcomes of patients with clinical diagnosis of otosclerosis undergoing primary stapes surgery in a teaching institution. (bvsalud.org)
Results A total of 210 ears of 163 patients underwent stapes surgery . (bvsalud.org)
Conclusion Stapes surgery showed excellent functional hearing outcomes in this study. (bvsalud.org)
Consecutive patients 12 years or older due for myringoplasty or stapes surgery at the ENT-department, University hospital of Tromsø, in an approximate time span of one year, have been studied with the following audiometric investigations at the preoperative admission, 2, 6 and 12 months postoperatively: Transient otoacoustic emissions, pure-tone audiometry for air- and bone-conduction, speech audiometry using spondaic recognition for air and bone-conduction. (clinicaltrials.gov)
Abstract Introduction Diode laser is a new alternative in stapes surgery for otosclerosis . (bvsalud.org)
Method Audiometric evaluation of 12 patients submitted to stapes surgery for otosclerosis , using diode laser or conventional fenestration by needle and drills , between 2014 and 2015. (bvsalud.org)
Further prospective and randomized clinical trials are required to disclose all possible benefits of the stapes surgery using diode laser . (bvsalud.org)
However, the mainstay of stapes surgery remains the transcanal approach utilizing the operating microscope. (medscape.com)
Challenges to stapes surgery with the endoscope include instrument limitation, single-handed work, lack of stereoscopic view, and a potentially high surgeon learning curve. (medscape.com)

The stapes is one of the tiny bones in the middle ear. (cdc.gov)
In the middle ear, one of the small bones (the stapes) cannot move normally, which interferes with hearing. (medlineplus.gov)

The incus, or "anvil," articulates with the stapes. (britannica.com)

Type III tympanoplasty is indicated for destruction of two ossicles, with the stapes still intact and mobile. (encyclopedia.com)
Type IV tympanoplasty is used for ossicular destruction, which includes all or part of the stapes arch. (encyclopedia.com)

The head of the stapes has a flat, round articular facet that forms a synovial joint with the lenticular process of the incus. (anatomyexpert.com)
The long process of the incus is bent near its end and bears a small bony knob that forms a loose ligament-enclosed joint with the head of the stapes. (britannica.com)
The large fenestra vestibulae accommodated the head of the stapes. (tolweb.org)

However, there may be considerable freedom of motion and some loss of energy at the joint between the incus and the stapes because of their relatively loose coupling. (britannica.com)

The stapes is described as having a base, resting on the oval window, as well as a head that articulates with the incus. (wikipedia.org)
Situated between the incus and the inner ear, the stapes transmits sound vibrations from the incus to the oval window, a membrane-covered opening to the inner ear. (wikipedia.org)
Often this causes the stapes to adhere to the oval window, which impedes its ability to conduct sound, and is a cause of conductive hearing loss. (wikipedia.org)
Attached to the membrane of the oval opening is the stapes (stirrup). (dictionary.com)
The hearing loss is due to malposition of the stapes on the oval window. (thefreedictionary.com)
Finally, the vibrations of the stapes push its base back and forth through the oval window to form new waves in the endolymph of the inner ear. (innerbody.com)
The stapes (stirrup) connects with the incus and is attached to the membrane of the fenestra ovalis , the elliptical or oval window or opening between the middle ear and the inner ear . (wikipedia.org)
He passes the first and tries to enter the oval window which is covered by a plate called the stapes. (mediamatic.net)

X-linked deafness with stapes gusher, also referred as X-linked deafness-2 (DFNX2, OMIM 304400), is characterized by progressive conductive and sensorineural hearing loss and a pathognomonic temporal bone deformity that includes dilatation of the internal auditory canal (IAC) and a fistulous connection between the IAC and the cochlear basal turn. (beds.ac.uk)

RESULTS: Optimal tight crimping of the stapes piston revealed consistent good sound transfer function ranging from 0 to 7 dB loss, and loss remained, on average, at 2 dB. (uzh.ch)

Autosomal dominantly inherited or de novo variants in NOG lead to a spectrum of joint/digit abnormality disorders with or without conductive hearing loss, including Type B2 brachydactyly (BDB2), multiple synostoses syndrome 1 (SYN1), stapes ankylosis with broad thumbs and toes (Teunissen-Cremers syndrome), proximal symphalangism 1A (SYM1A), and tarsal-carpal coalition syndrome (TCC). (hindawi.com)
The conductive hearing loss is usually due to ankylosis of the stapes. (hindawi.com)
Introduction Otosclerosis is a primary disease of the temporal bone that leads to stapes ankylosis . (bvsalud.org)

The stapes articulates with the incus through the incudostapedial joint. (wikipedia.org)
The stapes articulates with one other bone: the incus. (anatomyexpert.com)

are passed on to the stapes, and the whole ossicular chain moves as a single mass. (britannica.com)
4. The method of claim 2 , where the interrupting the ossicular chain step is accomplished by separating an incus from a stapes and mallus, and then fixing the position of the incus within the middle ear. (google.com)

The stapes /ˈsteɪpiːz/ or stirrup is a bone in the middle ear of humans and other mammals which is involved in the conduction of sound vibrations to the inner ear. (wikipedia.org)
The stapes echo the vibrations of beating drums on the other side of the window. (mediamatic.net)

Preoperative recognition of this entity plays an important role in the identification of patients at risk for perilymphatic stapes gushing and avoids worsening of sensorineural hearing loss. (ajnr.org)
A 14-month-old boy, with sensorineural hearing loss in both ears, showed typical radiological features of X-linked stapes gusher on preoperative temporal bone computed tomography (CT) for cochlear implantations. (beds.ac.uk)
Although the relationship between GATA3 and inner ear development has been studied, a case of HDR syndrome with sensorineural deafness mimicking an X-linked stapes gusher has not previously been reported. (beds.ac.uk)

The innermost bone is the stapes, or "stirrup bone. (britannica.com)
stirrup bone in the middle ear," 1660s, from Modern Latin (1560s), special use of Medieval Latin stapes "stirrup," probably an alteration of Late Latin stapia , related to stare "to stand" + pedem , accusative of pes "foot" (see foot ). (dictionary.com)

Curiously, while structures in the general locality of the stapes have been described fully in recent publications, the ossicle itself has received little attention. (edu.au)
The stirrup-shaped stapes is the smallest ossicle with a hollow space in the middle. (innerbody.com)

The stapes is the smallest and lightest named bone in the human body, and is so-called because of its resemblance to a stirrup (Latin: Stapes). (wikipedia.org)
The bone is so-named because of its resemblance to a stirrup (Latin: stapes), an example of a late Latin word, probably created in mediaeval times from "to stand" (Latin: stapia), as stirrups did not exist in the early Latin-speaking world. (wikipedia.org)
Stapes is a Later Latin term meaning stirrup. (anatomyexpert.com)

Depending on the underlying cause of progressive deafness and stapes fixations, there may be other associated signs and symptoms. (cdc.gov)

The incus has a rounded body with a long angular limb articulating via a small lenticular process with the stapes . (dictionary.com)

The stapes forms a close connection with the hammer and the incus. (dictionary.com)

The central cavity of the stapes, the obturator foramen, is due to the presence embryologically of the stapedial artery, which usually regresses. (wikipedia.org)

The stapes begins with a tiny cylindrical head where it meets the incus before splitting into two parallel columns of bone known as the anterior and posterior crus. (innerbody.com)

The stapes develops from the second pharyngeal arch during the sixth to eighth week of embryological life. (wikipedia.org)

The goal of this study is to present the numerous observed anomalies based on a large number of cases, and to describe anatomical variations and malformations of the stapes using high-resolution computed tomography (CT), after proper reorientation in the "axial stapes" plane. (univ-brest.fr)

Reptiles have one bone, the stapes, in their middle ears. (dispatch.com)

B. Base of stapes, medial surface. (bartleby.com)

Detail of the stapes human middle ear bone showing (left to right) the foot plate, the two crura, the neck, and the ligament of the stepedius muscle onto the neck. (gettyimages.ca)

The stapes is homologous with the entire stapedial structure of reptiles, which in turn was derived from the hyomandibular arch of primitive vertebrates. (britannica.com)

The stapes is a stirrup-shaped bone, and the smallest in the human body. (wikipedia.org)
The stapes is the smallest bone in the human body, and measures roughly 3 x 2.5mm, greater along the head-base span. (wikipedia.org)

The limbs of the stapes are narrow, weak, and abruptly curved. (dictionary.com)

The stapes is the third bone of the three ossicles in the middle ear. (wikipedia.org)
Our middle ear implants and stapes implants are available in multiple combinations of biocompatible materials, shapes, and sizes for many different anatomies and conditions. (medtronic.com)

The stapes is commonly described as having been discovered by the professor Giovanni Filippo Ingrassia in 1546 at the University of Naples, although this remains the nature of some controversy, as Ingrassia's description was published posthumously in his 1603 anatomical commentary In Galeni librum de ossibus doctissima et expectatissima commentaria. (wikipedia.org)

RESULTS: Sixty-one stapes in 47 patients were found to have one or more congenitally abnormal shapes (bilateral anomalies were found in 14 of these patients). (univ-brest.fr)

The stapes is one of three ossicles in mammals. (wikipedia.org)
The primitive stapes in the common ancestor of mammals and therapsids was probably columelliform and had a stapedial foramen for the passage of the stapedial artery. (geoscienceworld.org)

This limits the movement of the stapes bone, which results in hearing loss. (marshfieldclinic.org)

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