Anatomy & Phys 2 Special Senses Quiz

Quiz: Thursday Sept 10

Eyelids (Palpebrae)

Protects the front of the eye

Lacrimal Caruncle

Contains sebaceous and sweat glands

Conjunctivia

Thin protective mucous membrane lining the eyelid and covering the anterior surface of the eye itself

Lacrimal gland

Continually releases tear into the superior part of the conjuctival sac

Ciliary Body

Changes the shape of the lens to focus on objects at varying distances

Iris

Adjust the diameter of the pupil to control the amount of light entering

Sclera

Protects and shapes the eyeball provides an anchoring site for the extrinsic eye muscle

Cornea

Clear to allow light enter the eye Contains: pain receptors which triggers blinking

Choroid

Contain blood vessels that nourish the eye Contain: brown pigment that absorbs light

Pupil

Round opening at the center of the iris that allows light to enter

Rods

Dim light and peripheral vision

Cones

Bright light and color

Lens

A transparent flexible structure that can change shape to foucous light on the retina