The Special Senses Study Guide.

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Presentation transcript:

The Special Senses Study Guide

Lateral view; some structures shown in sagittal section Eyebrow Tarsal plate Tarsal glands Palpebral fissure Eyelashes Conjunctiva Conjunctival sac Lateral view; some structures shown in sagittal section 2

Lateral view; some structures shown in sagittal section 3

Excretory ducts of lacrimal glands Lacrimal sac Lacrimal gland Excretory ducts of lacrimal glands Lacrimal punctum Nasolacrimal duct 4

5

WOW!!! Be patient!!! Sclera Ciliary body Choroid Suspensory ligament Retina Cornea Fovea centralis Iris Pupil Optic nerve Anterior segment (contains aqueous humor) Lens Central artery and vein of the retina Posterior segment (contains vitreous humor) Optic disc (blind spot) 6

Sclera Cornea Optic nerve Lens 7

8

Sclera Ciliary body Choroid Suspensory ligament Cornea Iris Pupil Optic nerve Lens 9

10

Sclera Ciliary body Choroid Suspensory ligament Retina Cornea Iris Pupil Optic nerve Lens 11

12

Central artery and vein of the retina Sclera Ciliary body Choroid Suspensory ligament Retina Cornea Fovea centralis Iris Pupil Optic nerve Lens Central artery and vein of the retina Optic disc (blind spot) 13

14

Anterior segment (contains aqueous humor) Sclera Ciliary body Choroid Suspensory ligament Retina Cornea Fovea centralis Iris Posterior pole Pupil Optic nerve Anterior pole Anterior segment (contains aqueous humor) Lens Central artery and vein of the retina Posterior segment (contains vitreous humor) Optic disc (blind spot) 15

The Parts of the Eyeball 16

Oval window (deep to stapes) Semicircular canals Entrance to mastoid antrum in the epitympanic recess Vestibule Malleus (hammer) Vestibular nerve Incus (anvil) Auditory ossicles Stapes (stirrup) Cochlear nerve Tympanic membrane Cochlea Round window Pharyngotympanic (auditory) tube Middle and internal ear 17

Middle and internal ear 18