Epithelial Cells

Question 1

Simple Squamous structure and function?

Answer 1

S: A single layer of flattened, tightly bound cells
F: Diffusion and filtration (Covering visceral organs, lining of body cavities, ducts, and tubes)

Question 2

Simple Cuboidal

Answer 2

S: Single layer of cube-shaped cells
F: Excretion, Secretion, or Absorption (Salivary ducts, Surface of ovaries)

Question 3

Simple columnar

Answer 3

S: Single layer of non-ciliated, tall, column-shaped cells
F: Protection, Secretion, and Absorption (Lines most of the digestive tract)

Question 4

Simple Ciliated Columnar

Answer 4

S: Single layer of ciliated, column-shaped cells
F: Transport role (Lining of uterine tubes)

Question 5

Pseudostratified ciliated columnar

Answer 5

S: Single layer of ciliated, irregularly-shaped cells (many goblet cells)
F: Protection, Secretion, Ciliary movement ( Lining respiratory passageways)

Question 6

Stratified Squamous (keratinized)

Answer 6

S: Numerous layers containing keratin; outer layers flattened and dead
F: Protection ( Epidermis of Skin)

Question 7

Stratified Squamous (non-keratinized)

Answer 7

S: Numerous layers lacking keratin; outer layers moistened and alive
F: Protection and Pliability (Lining of oral and nasal cavities; vagina and anal canal)

Question 8

Stratified Cuboidal

Answer 8

S: Usually 2 layers of cube-shaped cells
F: Strengthening of luminal walls (Sweat glands, Pancreas)

Question 9

Transitional Epithelium

Answer 9

S: Numerous layers of rounded, non-keratinized cells
F: Distention (swelling) (Ureters, Urinary bladder)

Question 10

Where can you find Simple Squamous