Anatomical Details
Top image is antero-lateral and bottom image is postero-medial.
- Lateral semicircular canal; 1’, its ampulla
- Posterior canal; 2’, its ampulla
- Superior canal; 3’, its ampulla
- Conjoined limb of superior and posterior canals (sinus utriculi superior)
- Utricle; 5’. Recessus utriculi; 5”. Sinus utriculi posterior
- Ductus endolymphaticus
- Canalis utriculosaccularis
- Nerve to ampulla of superior canal
- Nerve to ampulla of lateral canal
- Nerve to recessus utriculi (in top image, the three branches appear conjoined); 10’. Ending of nerve in recessus utriculi
- Facial nerve
- Lagena cochleæ
- Nerve of cochlea within spiral lamina
- Basilar membrane
- Nerve fibers to macula of saccule
- Nerve to ampulla of posterior canal
- Saccule
- Secondary membrane of tympanum
- Canalis reuniens
- Vestibular end of ductus cochlearis
- Section of the facial and acoustic nerves within internal acoustic meatus (the separation between them is not apparent in the section)
- (No entry)
- Vestibulocochlear nerve (auditory or acoustic, cranial nerve VIII)
Read more about this topic: Inner Ear
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