cornea, pupil and lens cornea avascular stroma outer stratified squamous epi. inner endothelium...

Cornea, Pupil and Lens

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Cornea

Avascular stroma

Outer stratified squamous epi. Inner endothelium

Aqueous humor; anterior chamber

Air

Anterior Surface of Cornea

Air

Posterior Surface of Cornea

Descemet’s membrane; basement membrane of endothelium

Anterior chamber; aqueous humor

Endothelium

Iris and Ciliary Apparatus

Anterior chamber (AC)

Posterior chamber (PC)

Ciliary body

Iris

Pigmented epithelium

Sphincter pupillae muscle

AC

PC

Ciliary Body

Lens

Suspensory ligaments/zonal fibers of lens

Ciliary process

Ciliary Apparatus

Canal of Schlemm

SC: canal of SchlemmT: trabeculae - drain to CSC: corneaAC: anterior chamberCB: ciliary bodyI: iris

Red arrow: flow path of aqueous humor to CS

PC

Ciliary process

Lens

Suspensory ligaments of lensCapsule

Lens

Capsule

Anterior epithelium

Lens fiber cells

Layers of Retina

Rod cells Cone cells

Fovea: Cones Only

Light

Optic Nerve

Optic disc

Diagram of Inner Ear

Diagram of Inner Ear

Inner Ear/Cochlea

Modiolus

Scala tympani (ST)

Scala Vestibuli (SV)

Organ of Corti (OC)

Scala media (SM)

Helicotrema

Spiral ganglia (SG)

Bony cochleaSpiral ligament (SL)

Organ of Corti

ST

SV

SM

Basilar membrane (BM)

SG

Vestibular membrane (VM)

OC

SL

Organ of Corti

Organ of Corti

Tectorial membrane (TM)

Cochlear nerve fibers

Hair cells

Basilar membrane (BM)

SM

ST

SL

VM

Cochlear nerve fibers

Organ of Corti

TM

Basilar membrane

Outer hair cells

Inner hair cells

SM

Sensory Villi on Hair Cell: SEM

Taste Buds

Taste Buds on Fungiform Papilla of Tongue

Taste buds

Taste Buds

Apical pore with sensory cellsin taste bud

Olfactory Epithelium

Olfactory Mucosa

Olfactory epithelium: sustentacular/pseudostratified columnar epithelium with long microvilli

Olfactory Epithelium