| A | B |
|---|
| lacrimal canal | tears are absorbed medially into this after tears flush the eyeball |
| sebaceous glands | produce oily secretions that lubricate the eye |
| maculae | receptors in the vestibule essential to static equillibrium are the... |
| sclera | fibrous outermost tunic "white of the eye" |
| cornea | transparent central anterior portion of the sclera in which light enters the eye |
| choroid | middle part of the eyeball that contains pigment which prevents light from scattering |
| optic disk | no photoreptors here |
| iris | pigmented portion of the eye that has rounded opening |
| fovea centralis | greatest visual acuity found here |
| vitreous humor | gel-like substance that reinforces the eyeball and prevents it from collapsing |
| mechanoreceptors | receptors stimulated by the physical forces that cause movement of fluid |
| eardrum | another word for tympanic membrane |
| anvil | incus |
| presbyopia | decreased lens elasticity associated with aging |
| vestibule | portion of the bony labyrinth responsible for static equilbrium |
| ciliary body | smooth muscle structures attached to lens |
| retina | contains millions of photoreceptors |
| pinna | outer ear |
| auditory tube | links the middle ear and the throat |
| malleus | hammer |
| stapes | stirrup |
| cochlea | snail-like subdivision of the osseous membrane |
| semicircular canals | contains receptors for dynamic equibrium |
| photoreceptors | rods and cones are called these |
| cataracts | condition resulting from hardening and opacity of the lens |
| otoliths | tiny stones that roll in response to changes in gravitational pull |
| farsighted | occurs when light rays from distant objects focus behind the retina |
| ciliary glands | modified sweatglands betw eyelashes |
| gustatory hairs | protrude thru taste pores and stimulated by chemicals |
| accomodation | adjustment of the thickness of the lens during vision of close objects |
| organ of corti | hair cells located here |
| middle ear | ear infection through auditory canal goes here |
