Epithelia

Question 1

Simple Squamous

Answer 1

Thin Scales

Facilitates rapid passage of molecules

Question 2

Simple cuboidal

Answer 2

Secretion and absorption of molecules requiring active transport
Kidney tubules and ducts of glands

Question 3

Simple columnar

Answer 3

Absorption and secretion of molecules using active transport

Majority of GI tract

Ciliated surfaces line fallopian tubes to move egg, and parts of respiratory system to remove particulate matter

Question 4

Psuedostratified columnar

Answer 4

Single layer of cells with appearance of multiple layers as nuclei at different levels.

All in touch with basement membrane

Some do not reach the apical surface

Ciliated or unciliated

Ciliated cells can be interspersed with goblet cells

Question 5

Stratified squamous epithelia

Answer 5

Most common type of stratified epithelium in the human body

Apical cells appear squamous, basal cells cuboidal or columnar

Areas of high abrasion

Question 6

Stratified columnar epithelia

Answer 6

Rare, found in conjunctiva, pharynx, anus, male urethra and embryo

Allows tissue to stretch and contract