Chapter 14 Seeing and Hearing Flashcards
combining form for the eye or sight
opt/i, opt/o, optic/o, ocul/o, opthalm/o
outside the eyeball
extraocular
inside the eyeball
intraocular
around the eyeball
periocular
the accessory structures of an organ
adnexa
bony cavity of the skull that contains the eyeball
orbit
combining form eyelids
blephar/o
another term used for eyelid
palpebra
pertaining to the eyelid
palpebral
the angle where the upper and lower lids meet
canthus
mucous membrane that lines the underside of each eyelid
conjunctiva
combining form conjunctiva
conjuctiv/o
medical term for the third eyelid
nictitans
condition of normal tear secretion
lacrimation
combining form tear duct
lacrim/o, dacry/o
passageway that drains tears into the nose
nasolacrimal duct
the white of the eye
sclera
combing form sclera
scler/o
anterior portion of the eye
cornea
combining form cornea
corne/o, kerat/o
middle layer of the eye
choroid
light cannot pass through
opaque
pigmented muscular diaphragm that surrounds the pupil
iris
circular opening in the center of the eye
pupil
pupillary constriction
miosis
pupillary dilation
mydriasis
clear, flexible capsule located behind the iris and pupil
lens
nervous tissue layer of the eye that receives images
retina