Epithelial Tissue

Question 1

Epithelial tissue

Answer 1

Tissue that cover internal and external surfaces with cells with very little cellular matrix

Question 2

Fuctions

Answer 2

Protect underlying structures

Barrier to keep things in and out

Exchanges of substances such as O2 and CO2 in lung epithelia

Secretion through glands

Absorption of nutrients

Question 3

Simple Epithelium

Answer 3

One layer of cells

Question 4

Stratified Epithelium

Answer 4

Multiple layers of cells

Question 5

Squamous Epithelium

Answer 5

Flat and scale like

Question 6

Cuboidal Epithelium

Answer 6

Cube shaped

Question 7

Columnar

Answer 7

Tall and thin

Question 8

Simple Squamous Epithelium

Answer 8

Lines blood cells, (diffusion and filtration)

Question 9

Simple Cuboidal Epithelium

Answer 9

Kidneys and glands, (secretion or absorption)

Question 10

Simple Columnar Epithelium

Answer 10

Lines stomach and intestines, sometimes w/ cilia, (secretion and absorption)

Question 11

Pseudostratified Columnar Epithelium

Answer 11

SINGLE cell layer (some surface not all) and always with cilia, lining nasal cavity, (Synthesis or secretion)

Question 12

Transitional Epithelium

Answer 12

Stratified and cuboidal when not stretched and squamous when stretched

Question 13

Cilia

Answer 13

Little “hairs” that move particles across cell surfaces