Chapter 19: Senses

Question 1

What are eyelids called?

Answer 1

palpebrae

Question 2

What is the space between the eyelids?

Answer 2

palpebral fissure

Question 3

What is the medial pink bump containing both oil and sweat glands?

Answer 3

lacrimal caruncle

Question 4

What produces, collects, and drains lacrimal fluid (tears) from the eye?

Answer 4

lacrimal apparatus

Question 5

Conjunctiva:

Answer 5

• stratified columnar epithelium
• contains blood vessels & nerves
• contains goblet cells that lubricate eye
• does not cover cornea

Question 6

Features of conjunctivitis

Answer 6

• redness and swelling (bacterial and viral)
• discharge, crusting (bacterial)
• clear tearing, bumps on inner eyelid (viral)

Question 7

6 extrinsic eye muscles

Answer 7

superior, lateral, medial, inferior (rectus)
superior, inferior (oblique)

Question 8

What are the 3 tunics (layers) of the eye

Answer 8

fibrous, vascular, retina

Question 9

What consists of the fibrous tunic (outer)?

Answer 9

sclera & cornea

Question 10

What tissue is the sclera made out of?

Answer 10

dense irregular connective tissue

Question 11

What tissues are the cornea made out of?

Answer 11

outer: stratified squamous epithelial
middIe: collagen fibers
inner: simple squamous

Question 12

What consists of the vascular tunic (middle)?

Answer 12

choroid, ciliary body, iris

Question 13

What consists of the retina?

Answer 13

pigmented and neural layer

Question 14

The diameter of a normal eye?

Answer 14

2.5 centimeters