Tissues

Question 1

What does epithelial tissue do

Answer 1

Covers surfaces and separates compartments

Question 2

What kind of junctions fill gaps in between cells

Answer 2

Cell-Cell junctions

Cell-ECM junctions

Question 3

What kind of cell-cell junctions are there

Answer 3

Gap junctions
Desmosomes
Tight/occluding junctions

Question 4

What function do Gap junctions have?

Answer 4

Allow cell-cell communication

Question 5

What function do Desmosomes have?

Answer 5

provide firm anchorage

Question 6

What function do Tight junctions have?

Answer 6

Seal intracellular spaces

Question 7

What is the main kind of Cell-ECM junction?

Answer 7

Hemidesmosomes

Question 8

What is the function of simple squamous epithelia?

Answer 8

They line alveoli and capillaries. Thin for easy diffusion

Question 9

What is the function of simple cuboidal epithelia?

Answer 9

Line nephrons, secretion and absorption

Question 10

What is the function of simple Columnar epithelia?

Answer 10

Line GI tract. Ciliated ones move mucus

Question 11

What is the function of stratified Squamous epithelia?

Answer 11

Epidermis

Question 12

What is the function of stratified cuboidal epithelia?

Answer 12

Ducts of sweat glands, protection

Question 13

What is the function of stratified columnar epithelia?

Answer 13

Pharynx. Protection and secretion.

Question 14

What is the arrangement/function of epithelia in the liver?

Answer 14

Hepatocytes. Arranged in rows between blood vessels. Secretion.

Question 15

What is the arrangement/function of epithelia in the kidney?

Answer 15

Nephrons. Filter blood.

Question 16

What are the consequences of abnormal function of covering and lining epithelia?

Answer 16

Over/under proliferation
Over/under secretion
Loss of ciliary beat

Question 17

What are glands?

Answer 17

Collections of multi or single cellular secretory epithelial cells

Question 18

Where do endocrine glands secrete into?

Answer 18

Blood

Question 19

What is an example of an endocrine gland

Answer 19

Adrenal Cortex

Question 20

Where do exocrine glands secrete into?

Answer 20

Surface, e.g sweat glands

Question 21

What are the 3 main kinds of gland

Answer 21

Tubular (tube shaped)
Acinar (berry shaped)
Tubuloacinar (both)

Question 22

What are the consequences of abnormal gland function?

Answer 22

Over production

Under production

Question 23

What is connective tissue?

Answer 23

Tissue that binds, supports, seperates and connects organs.

Question 24

What 4 main kinds of connective tissue are there?

Answer 24

Fibres, Ground substance, tissue fluid and loose connective tissue.

Question 25

What 2 kind of Connective tissue fibre is there

Answer 25

Collagen (inelastic)and Elastin (elastic)

Question 26

What is Ground Substance connective tissue made up of

Answer 26

Proteoglycans, Glycoproteins and Hyaluronic acid

Question 27

What is loose connective tissue made up of

Answer 27

Macrophages, White Blood Cells, Fibroblasts, Adipocytes and Mast cells