please need help 20 Match the part of the ear listed in Column A with its descri

Question

please need help

20 Match the part of the ear listed in Column A with its description listed in Columes B eavity to the nasal cavity b spiral-shaped organ found withing he inner ear c three tiny bones tmalleus, incus, and stapes) found 2 Vessibuloes withis the middle ear d Busd contained within the scala medin e canal leading froms the muriele of the ear to the tympanie membrane f iny bone located within the middle ear cavity that is shaped tike an anvil s Cochles & Stapes 7. External acoustic meatus g chamber located within the petrous part of the temporal bone that contains the cochlea and the vestibule 8. Middle ear h. canal on the medial, posterior aspect of the petrous part of the temporal bone 9. Saccule 10. Auricle 11. Stapedius muscle 12. Round window 13. Tensor tympani muscle i. tiny bone located within the middle ear cavity that is shaped like a hammer j cavity that begins at the tympanic membrane and ends at the oval window k opening into the scala vestibuli that has the foot of the stapes covering it l fluid contained within the scala vestibuli and scala tympani m. extemal ear, composed of an elastic cartilage skeletom that is covered with skin 14. Internal acoustic meatus n. small hole at the end of the scala tympani that is covered by a membrane 15. Spiral organ o. smallest membranous sac in the vestibule, contains receptors fro sensing vertical accelearation 16. Inner ear p. three ring-like canals that are orientated at right angles to each other and communicate with the vestibule q. organ composed of specialized epithelium that is found within the scala media (cochlear duct) of the cochiea 17. Tectorial membrane r. small muscle connecting the neck of the stapes to the temporal bone 18. Oval window s. tiny bone located within the middle ear cavity that is shaped like a stirmup 19. Endolymph 20. Tympanic membrane 21. Malleus t gelatinous membrane in which the hair cells of the spiral organ are imbedded u. small muscle connecting the handle of the malleus to the cartilage of the auditory tube v. drumlike, tight, thin membrane that separates the middle-ear cavity from the external-ear cavity 22. Ear ossicles w. largest membranous sac in the vestibule, contains receptors for sensing horizontal acceleration 23. Perilymph x. cranial nerve VII, which travels through the internal acoustic meatus 24. Auditory tube

Explanation / Answer

1. Semi circular canals-p. three ring like canals that are orientated at right angles to each other and communicate with the vestibule
2. Vestibulocochlear nerve- x. Cranial nerve VIII, which travels through the internal acoustic meatus-
3. Utricle-w. Largest membranous sac in the vestibule, contains receptors for sensing horizontal acceleration
4. Incus-f. tiny bone located within the middle ear cavity that is shaped like an anvil
5. Cochlea-b. spiral shaped organ found within the inner ear
6. Stapes-s. tiny bone located within the middle ear cavity that is shaped like a stirrup
7. External acoustic meatus-e. canal leading from the autricle of the ear to the tympanic membrane
8. Middle ear-j. cavity that begins at the tympanic membrane and ends at the oval window
9. Saccule-o. smallest membranous sac in the vestibule, contains receptors from sensing vertical acceleration

10. Auricle-m. external ear, composed of an elastic cartilage skeleton that is covered with skin
11. Stapedius muscle-r. small muscle connecting the neck of the stapes to the temporal bone
12. Round window-n. small hole at the end of the scala tympani that is covered by a membrane
13. tensor tympani muscle-u. small muscle connecting the handle of the maleus to the cartilage of the auditory tube

14. Internal acoustic meatus-h. canal on the medial, posterior aspect of the petrous part of the temporal bone

15. Spiral organ-q. organ composed of specialized epithelium that is found within the scala media (cochlear duct ) of the cochlea
16. Inner ear- g. chamber located within the petrous part of the temporal bone that contains the cochlea and the vestibule
17. tectorial membrane- t. gelatinous membrane in which the hair cells of the spiral organ are embedded
18. oval window-k. opening into the scala vestibuli that has the foot of the stapes covering it
19. Endolymph-d. fluid contained within the scala media

20. tympanic membrane-v. drum like tight thin membrane that separates the middle ear cavity from the external ear cavity
21.malleus-i. tiny bone located withing the middle ear cavity that is shaped like a hammer
22. Ear Ossicles-c. three tiny bones (malleus, incus and stapes) found within the middle ear-
23. perilymph-l. fluid contained within the scala vestibuli and scala tympani
24. Auditory tube-a. Fibrocartilage lined tube that connects the middle ear to the nasal cavity

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