1. CNS Sequence Eye and Ear Lab March 18, 2009

2. Eyelids: Netter pl. 76

3. UCSF #173; human eyelid skin palpebral conjunctiva apocrine glands of Moll tarsal glands orbicularis oculi m. tarsal plate accessory lacrimal glands levator palpebrae m. (and tendon) superior tarsal muscle eyelashes w/ sebaceous glands (of Zeis)

4. levator palpebrae muscle superior tarsal muscle obicularis oculi muscle tarsal plate tarsal glands

5. Three Tunics of the Eye

6. Cornea Iris Anterior chamber Posterior chamber Ciliary body and processes Hyaloid canal Optic nerve Central retinal artery & vein Retina Choroid Sclera Vitreous chamber

7. Arteries and Veins of Orbit Ciliary arteries Central retinal artery and vein

8. EYE-2

9. Lens Lens capsule Lens epithelium Lens fibers

10. Lens fiber formation at the equator region equator

11. Lens and lens fibers

12. Corneal Epithelium Descemet’s Membrane Corneal Stroma Bowman’s Membrane Corneal Endothelium (Slide EYE-2_20X) Cornea (Type I collagen)

13. Cornea CF lamellae

14. A: Anterior chamber P: Posterior chamber A P

15. Anterior chamber Iris Posterior chamber Trabecular meshwork Canal of Schlemm Cornea

16. A: Trabecular meshwork B: Canal of Schlemm A B

17. Ciliary body and ciliary processes Ciliary processes Ciliary body Pigmented and non-pigmented ciliary epithelial cells

18. Sphincter (constrictor) pupillae [smooth muscle] Dilator pupillae [myoepithelial cells]

19. EYE-2 Ora serrata

20. Sclera Choroid Bruch’s membrane Choriocapillary layer Retina Inner limiting membrane Optic nerve fibers Ganglion cell layer Inner plexiform layer Inner nuclear layer Outer plexiform layer Outer nuclear layer Outer limiting membrane Rods and cones Retinal pigment epithelium

21. EYE-1 Fovea centralis

22. Ora serrataFovea centralis

23. Optic papilla (disc)

24. Fovea centralis Optic papilla (disk)

25. Outer, middle and inner ear

27. Semicircular ducts Endolymphatic sac and duct Cochlear duct Saccule Utricle

28. Ear-3 Saccule ? Cochlear duct Saccule

29. EAR-2 Cochlea Utricle ?? Ampulla of a semicircular duct Saccule

30. Ampulla of a semicircular duct Utricle (or saccule) Ampullae

31. Crista ampullaris Macula (with cupula)(with otolithic membrane) in Semicircular canal in Saccule and utricle

32. EAR-2 Macula Crista ampullaris Otolithic membrane with otoconia (otoliths) Cupula

33. Cochlea Base Helicotrema Cochlear Nerve Modiolus Spiral ganglion

34. # Ear-4 Cochlear nerve

35. Organ of Corti in Scala Media Scala vestibuli Scala tympani Scala media ? ?

36. Stria vascularis Scala media (cochlear duct) Basilar membrane Vestibular membrane Tectorial m. Scala vestibuli Scala tympani

37. Organ of Corti Outer hair cells Inner hair cell Inner and outer pillar cells O. phalangeal cells I. phalangeal cell Inner tunnel

38. Perilymph and endolymph filled spaces in cochlea Blue: perilymph Yellow: endolymph

40. Helicotrema Osseous spiral lamina Cochlear duct Low pitch sound (longer basilar membrane) High pitch sound (shorter basilar membrane) ? ? EAR-3