Seeing and hearing

Function for the eye

Responsible for vision

Combining form for eye

opt/i, opt/o, optic/o, ocul/o, and ophthalm/o

Combining form for eyelid

blephar/o

Combining form for conjunctiva

conjuctiv/o

Combining form for lacrimal apparatus

lacrim/o

What are the four structures of the eye

Sclera, cornea, choroid and retina

What is the sclera

The outer layer of the eye

What is the cornea

Transparent anterior portion

What is the choroid

Middle layer

What is the retina

Inner layer

Combining form for sclera

Scler/o

Combining form for cornea

Corne/o

Combining form for choroid

Choroid/o

Combining form for retina

Retin/o

What is the function of the ear

Sensory organ that enables hearing and helps to maintain balance

Combining form for ear

audit/o, aud/i, and ot/o

Combining form for sound/hearing

acoust/o and acous/o

What are the two structures for the ear

Pinna and Tympanic membrane

What is the function of the pinna

Catches and then transmit sound waves

What is the function of the tympanic membrane

Transmit sound waves to the ossicles (eardrum)

Combining form for pinna

pinn/i, aur/i, and aur/o

Combining form for tympanic membrane

Tympan/o and myring/o

What is equilibrium

State of balance

What is the function of the equilibrium

Maintaining the position of the head (controlled by organs in the vestibule of inner ear)

Combining form for vestibule

Vestibul/0