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Eye and Ear Histology Orientation Images

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Presentation on theme: "Eye and Ear Histology Orientation Images"— Presentation transcript:

1 Eye and Ear Histology Orientation Images
1

2 Eyelids: Netter pl. 76

3 UCSF #173: human eyelid Levator palpebrae s.m. Lacrimal gland
S. Tarsal muscle Orbicularis oris m. Superior tarsus Apocrine gland Tarsal gland Palpebral conjunctiva

4 Three Tunics of the Eye

5 Ciliary body and processes
Cornea Anterior chamber Iris Posterior chamber Ciliary body and processes Vitreous body Hyaloid canal Sclera Choroid # Eye-2 Retina Optic nerve Central retinal artery & vein

6 Cornea Stroma Bowman’s membrane Corneal endothelium Corneal epithelium
Corneal stroma Descemet’s membrane Corneal endothelium

7 Canal of Schlemm Trabecular meshwork Cornea Anterior chamber Iris
Posterior chamber

8 A: Trabecular meshwork B: Canal of Schlemm

9 Lens Zonule (of Zinn) Lens capsule Lens epithelium Lens fibers

10 Lens fiber formation at the equator region
Zonule equator

11 Ciliary body and ciliary processes
Pigmented and non-pigmented ciliary epithelial cells Ciliary processes Ciliary body

12 Sphincter (constrictor) pupillae. Dilator pupillae. (smooth muscle)
Sphincter (constrictor) pupillae Dilator pupillae (smooth muscle) (myoepithelial cells) Eye-2

13 Retina Choroid Sclera 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 Choroid Bruch’s membrane Choriocapillary layer Sclera

14 EYE-2 Ora serrata EYE-1 Fovea centralis

15 Eye-2: Optic papilla (disc)
Optic nerve Central retinal artery & vein

16 Ear Outer, middle and inner ear

17 Endolymphatic sac and duct
Semicircular ducts Cochlear duct Saccule Utricle

18 Ear-2 Netter pl. 90 Cochlear duct (basal turn) Utricle Ampulla(e)
Saccule Saccule Utricle Cochlear nerve Vestibular ganglion and nerve ampulla CN VIII: vestibulocochlear nerve

19 # Ear-4 Cochlear nerve Spiral (cochlear) ganglion Cochlear nerve

20 Ear-2 Vestibulocochlear Nerve (CN VIII)
Vestibular nerve Vestibule Vestibular ganglion Cochlear Nerve Vestibular nerve Vestibulocochlear Nerve (CNS VIII) Vestibular ganglion

21 EAR-2 Macula Crista ampullaris
Otolithic membrane with otoconia (otoliths) Cupula Ear-4

22 Ear-3 and other ear slides
Stapes Saccule Cochlear duct Saccule ?

23 Cochlear Nerve and spiral ganglia
Helicotrema Ear - 4 Base Spiral ganglion Cochlear Nerve

24 Organ of Corti in Scala Media
? Scala vestibuli ? ? Scala tympani Cochlear duct with Organ of Corti Scala media

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

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

27 Perilymph and endolymph filled spaces in cochlea Blue: perilymph
Perilymph and endolymph filled spaces in cochlea Blue: perilymph Yellow: endolymph

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

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