Eyeball B Flashcards
Saw-toothed margin within the neural retina?
Ora serrata
Photoreceptors are ___ neurons
Modified
The metabolic region of the photoreceptor is rich in ___ and is in ___ contact with the outer fiber
Glycogen
Direct
Bipolar neurons only generate ___ potential and the neurotransmitter is ___
Grades
Glutamate
Ganglionic cells form the optic nerve which translates directly to ___
Geniculate nucleus
Horizontal and amacrine cells are ___
Interneuons
Optic disk (aka___) ganglion cells leave the eye to optic nerve. Lack ___ which causes blind spot
Optic pupilla
Photoreceptors
___ is the site of highest acuity
Fovea centralis
2 compartments of the eye:
Anterior cavity
Posterior cavity
Anterior cavity between ___ and ___
Cornea
Lens
Posterior cavity contains ___
Vitreous body
Aqueous humor continuously drains into ___ (aka canal of Schlemm)
Scleral venous sinuous
Impaired drainage of aqueous humor into canal of Schlemm results in ___ (aka retinal ischemia)
Glaucoma
2 types of glaucoma
Close angle
Open angle
Most common cause of blindness:
Cataract