2019
DOI: 10.1007/s12565-019-00490-6
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Microtomographic morphometry of the stapedius muscle and its tendon

Abstract: The aim of this study was to evaluate the morphology of the stapedius muscle and its tendon with the use of microCT and to describe their anatomic relationship with facial nerve and incudostapedial joint. The study was performed on 16 fresh cadaveric temporal bones scanned in microtomography (microCT). Stapedius muscle and its tendon were identified in each set of images. The length of the medial and lateral border of the stapedius tendon (STL-med, STL-lat), width at the insertion to stapes (STW-s), at the poi… Show more

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Cited by 13 publications
(8 citation statements)
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“…The temporal bone is a complex structure housing small and functionally very important structures like the middle-ear including the ossicles; the inner-ear including the cochlea, vestibule and semicircular canals; the bony canals for the facial and vestibulocochlear nerves; and the related vasculature. The middle-ear houses the stapedius muscle (SM), the smallest muscle of the human body, the belly of which has a length of only 2–4 mm [ 1 ]. The SM contracts in response to loud sound stimuli, and this involuntary movement is known as stapedius reflex.…”
Section: Introductionmentioning
confidence: 99%
“…The temporal bone is a complex structure housing small and functionally very important structures like the middle-ear including the ossicles; the inner-ear including the cochlea, vestibule and semicircular canals; the bony canals for the facial and vestibulocochlear nerves; and the related vasculature. The middle-ear houses the stapedius muscle (SM), the smallest muscle of the human body, the belly of which has a length of only 2–4 mm [ 1 ]. The SM contracts in response to loud sound stimuli, and this involuntary movement is known as stapedius reflex.…”
Section: Introductionmentioning
confidence: 99%
“…When a surgeon wants to prevent an accidental damage, the main objective is to find posterior semicircular canal and to expose its blue line [ 12 ]. The belly of stapedius muscle is enclosed by bony tissue narrowing ST at the level of round window [ 16 , 35 ]. Our study suggest that STD and F-PSC enlarges inferiorly.…”
Section: Discussionmentioning
confidence: 99%
“…Finally, images in the plane of the posterior semicircular canals were obtained and assessed. In this way, cross sections of all semicircular canals and other structures of the bony labyrinth, as well as typical images of the structures inside the tympanic cavity are obtained [ 16 ].…”
Section: Methodsmentioning
confidence: 99%
“…Poschl projection is parallel to the superior semicircular canal—it allows the identification of the cochlear promontory, round window and its posterior pillar. This projection is widely used in temporal bone studies [ 5 , 30 ].…”
Section: Methodsmentioning
confidence: 99%