Epithelial tissue

Question 1

Where is epithelial tissue found

Answer 1

Covering all body surfaces inside and out

Question 2

What is the apical side of epithelium

Answer 2

The side exposed to the outside or open space inside the body

Question 3

What is the basal side of epithelium

Answer 3

The side of the tissue at the basement membrane

Question 4

What is the basement membrane

Answer 4

The nonliving layer that epithelial tissue is anchored to using connective tissue

Question 5

What is the vascularity of epithelial tissues

Answer 5

Avascular

Question 6

Why do epithelial tissues repair quickly?

Answer 6

Because they reproduce rapidly

Question 7

How are cells arranged in epithelial tissues?

Answer 7

tightly packed together - littler intercellular space

Question 8

What are the functions of epithelial tissues?

Answer 8

G - glandular
A - absorption
P - protection
S - Secretion

Question 9

What is the structure of simple squamous epithelium?

Answer 9

1 cell layer thick with squished cells that look like fried eggs

Question 10

What do simple squamous epithelium do?

Answer 10

diffusion of gases
secrete serous fluid to lubricate organ coverings

Question 11

Where can simple squamous epithelium be found?

Answer 11

Linings of alveoli, capillaries, lymph vessels, organs

Question 12

What do simple columnar epithelium look like?

Answer 12

1 cell layer of column-shaped cells with nuclei at the bottom of cells

Question 13

What special cell do simple columnar and pseudostratified ciliated columnar epithelium have?

Answer 13

Goblet cells

Question 14

What is the function of goblet cells?

Answer 14

Secrete mucus to protect and lubricate tissues

Question 15

What is the brush border composed of?

Answer 15

microvilli that increase the surface area for absorption

Question 16

What is the function of simple columnar epithelium

Answer 16

Absorption
Secretion of mucus
Movement of materials

Question 17

Where can simple columnar epithelium be found?

Answer 17

Lining the digestive tract
Gallbladder
Oviducts

Question 18

What does simple cuboidal epithelium look like?

Answer 18

1 cell layer of cube shaped cells with centrally located nuclei

Question 19

What do simple cuboidal epithelium do?

Answer 19

Secrete substances in glands
Absorb substances in kidney tubules

Question 20

Where can simple cuboidal epithelium be found?

Answer 20

Small glands
Ovaries
Kidney tubules
Retinas

Question 21

What do pseudostratified ciliated columnar epithelium look like?

Answer 21

1 cell layer of cells of varying heights and nuclei at varying heights

Question 22

What do pseudostratified ciliated columnar epithelium do?

Answer 22

Secretes and absorbs substances
Sweeps dirt and bacteria to the pharynx

Question 23

Where is pseudostratified ciliated columnar epithelium found?

Answer 23

Trachea
Upper respiratory tract
Sperm-carrying ducts

Question 24

What do stratified squamous epithelium look like?

Answer 24

Several cell layers thick with cuboidal/columnar cells at the bottom and squamous cells at the top

Question 25

What special protein accumulated on cells as they approach the outer surface of stratified squamous epithelium?

Answer 25

Keratin

Question 26

What does stratified squamous epithelium do?

Answer 26

Protection against scrapes, cuts and bacteria Creates a waterproof layer

Question 27

Where is stratified squamous epithelium found?

Answer 27

epidermis of skin lining of mouth anus vagina

Question 28

What does transitional epithelium look like?

Answer 28

Multiple cell layers thick with layers of cuboidal and elongated cells and rounded cells on the apical side

Question 29

What does transitional epithelium do?

Answer 29

Distends to allow expansion and contraction Prevents urine from passing into surrounding areas

Question 30

Where is transitional epithelium found?

Answer 30

Ureters Urinary bladder Urethra