Across
- 1. thin, cone-shaped membrane that separates the outer ear from the middle ear; also know as "eardrum"
- 3. Equalizes air pressure between the middle ear and the nasopharynx
- 6. central point of maximum depression; marks the end of the manubrium
- 8. a slight conical projection, which springs from the root of the manubrium
- 9. small opening located in the middle ear that acts as a passageway to the inner ear, specifically the cochlea, allowing fluid pressure within the cochlea to be regulated and enabling sound vibrations to be transmitted for hearing
- 10. triangular reflection of light that appears on the eardrum during an otoscopic exam
- 12. hammer-shaped small bone or ossicle of the middle ear connecting with the incus, and attached to the inner surface of the eardrum that transmits the sound vibrations from the eardrum to the incus
- 13. fixed to extend between the anterior surface of the malleus head and the anterior bony wall of the attic
- 15. branch of the facial nerve (cranial nerve VII) that plays a crucial role in taste sensation and salivary gland function
- 16. bony prominence located on the medial wall (inner surface) of the middle ear cavity
- 17. attached to the medial surface of the tympanic membrane, and it pulls its anterior and inferior portion medially, giving it a conical shape
- 21. a tube-like structure that extends from the outer ear (pinna) to the middle ear (tympanic membrane)
- 23. small, triangular-shaped portion of the eardrum (tympanic membrane) located in the upper part of the middle ear
Down
- 2. upper most part of the middle ear cavity; also know as the "attic"
- 4. the base of the stapes bone in the middle ear that transmits sound vibrations to the inner ear
- 5. marks the border between the border between the pars flaccida and tensa on the medial surface; purpose is to hold the lateral process in place
- 7. a prominence on the inner side of the external ear, in front of and partly closing the ear canal
- 11. cranial nerve VII; a mixed nerve that controls facial movements, taste, and tear production
- 14. protects the ear from loud noises and regulates sound transmission in the middle ear
- 18. highest point of the ear
- 19. a small anvil shaped bone in the middle ear that transmits vibrations from the malleus to the stapes; also known as the anvil
- 20. small stirrup-shaped bone in the middle ear, transmitting vibrations from the incus to the inner ear
- 22. lowest part of ear; has no cartilage
- 24. deep concavity between the anterior helical crus and the inferior anthelical crus