Ear with Detachable Pinna Model (Somso)

1. Helix of auricle

pinna

9. Lobule

10. External acoustic meatus

11. Site where malleus articulates with tympanic membrane

12. Tympanic ring

fibrocartilage

13. Tympanic membrane

14. Temporal bone

16. Internal carotid artery

22. Tympanic vavity

23. Pharyngotympanic tubes opens into tympanic cavity

24. Pharyngotympanic tubes opens into nasopharynx

25. Malleus

26. Incus

27. Base of stapes

rests on oval window membrane

28. Portion of malleus that articulates wiht head of stapes

31. Vestibule

32. Oval window membrane

34. Round window membrane

35. Lateral semicircular canal

a, b, and c are ampullae

36. Anterior semicircular canal

a, b, and c are ampullae

37. Posterior semicurcular canal

a, b, and c are ampullae

38. Cochlea

39. Cochlear duct

40. Scala tympani

41. Scala vestibuli

42. Saccule

43. Utricle

44. Anterior semicircular duct

45. Vestibulocochlear nerve

46. Vestibular nerve

47. Cochlear nerve

Tympanic membrane (13) separates ____; thus, it is not part of the outer or middle ear

outer and middle ear

Osseous (bony) labyrinth consists of _____

cochlea, vestibule, and semicircular canals

Membranous labyrinth consists of ____

cochlear duct, utricle, saccule, and semicircular ducts