corneal stroma corneal epithelium corneal endothelium anteriorchamber posteriorchamber lens iris canal of Schlemm Descemet’smembrane iridealstroma pigmentedepithelium anteriorlenscapsule

corneal stroma corneal epithelium corneal endothelium Descemet’s membrane Bowman’s membrane

corneal stroma anteriorchamber posteriorchamber canal of Schlemm iridealstroma corneal endothelium Descemet’s membrane

anteriorchamber posteriorchamber iridealstroma lens anterior lens capsule cornea constrictormuscle pigmentedepithelium corneal endothelium w/ Descemet’s membrane

iridealstroma constrictormuscle pigmentedepithelium dilator muscle

iridealstroma myoepithelial cells of dilator muscle

sclera ciliary muscle ciliary process iris

sclera ciliary muscle ciliary process vascular layer pigmentedepithelium non-pigmentedepithelium

ora serrata towards ciliary body, iris, etc. towards fovea, optic nerve, etc. sclera choroid photoreceptive retina non-photoreceptive retina vitreous chamber

ILM GCL NFL IPL INL OPL ONL OLM CRL PE Bruch’s membrane choroid capillary choroid sclera

optic nerve note that the retina is disrupted here thus creating a blind spot

Find your blind spot: With this diagram about 3 feet away from your face, look at the upper cross with your LEFT eye, then cover your RIGHT eye. The filled circle should disappear –if not, move forward or backward until it does. Then, look at the lower cross and note that the line appears continuous.

GCL IPL INL OPL ONL OLM CRL PE choroid sclera ganglion cell layer (note absence of INL) cone cell nuclei

iris suspensory ligaments (zonules of Zinn) lens anteriorlenscapsule

lens epithelium differentiating lens fibers mature lens fibers

vestibule CNS tissue (what organ?) ??? cochlea petrous portion of temporal bone macula of utricle crista ampularis modiolus

vestibule epithelial lining of membranous labyrinth (artifically separated here) macula of utricle crista ampularis

hair cells gelatinous cupula epithelial lining of membranous labyrinth (artifically separated here) sustentacular cells nerve fibers (from what nerve? efferent or afferent?)

hair cells and sustentacular cells otolithic membrane otoliths (otoconia)

MODIOLUS spiral ganglion

scala vestibuli scala tympani modiolus spiral ganglion vestibular (Reissner’s) membrane scala media basilar membrane spiral ligament organ of Corti osseous spiral lamina (like threads of a screw)

scala vestibuli scala tympani vestibular (Reissner’s) membrane scala media basilar membrane spiral ligament organ of Corti tectoral membrane stria vascuaris nerve fibers spiral limbus interdental cells (produce tectoral membrane)

scala vestibuli scala tympani vestibular (Reissner’s) membrane scala media basilar membrane tectoral membrane nerve fibers outer hair cells outer phalangeal cells inner and outer pillar cells tunnel of Corti inner hair cell inner phalangeal cells inner sulcus cells interdental cells (produce tectoral membrane)