Chap 4 Tissue Levels

Question 1

Histology

Answer 1

Study of microscopic structure of tissues

Question 2

When multiple tissues together serve a function, its a

Answer 2

Organ

Question 3

4 main types of tissue

Answer 3

Connective-under epithelial tissue
Epithelial-cover surface
Muscle-movement
Nervous-communication

Question 4

Tight junction

Answer 4

2 membranes held together so tightly, nothing can leak

Question 5

Where are epithelial tissue

Answer 5

On surface

Question 6

Example of a gland

Answer 6

Exocrine aka sweat glands

Question 7

Permeability

Answer 7

Allow fluid to pass through it

Question 8

Why would permeability be important to epithelial tissues?

Answer 8

Helps prevent harmful materials to enter

Question 9

Define avascular

Answer 9

No blood vessels 

Question 10

How do epithelial cells get their nutrients if the tissue is avascular?

Answer 10

Blood vessels from connective tissue below basement membrane

Question 11

What does it mean that epithelial tissues have free surface

Answer 11

It is an apical surface and basal surface
top and bottom

Question 12

What is lumen?

Answer 12

Inside space of a tubular structure

Question 13

What is the basement membrane made of?

Answer 13

Layer of collagen and glycoproteins

Question 14

What is the function of the basement membrane?

Answer 14

helps cell stick to connective tissues below

Question 15

Epithelial cells undergo a lot of

Answer 15

Mitosis

Question 16

Why might tissue be keratinized?

Answer 16

As a protective layer

Question 17

What is the function of cilia?

Answer 17

Moving cell around and moving fluid is past the cell

Question 18

What cytoskeleton protein are Celia made of?

Answer 18

Microtubules

Question 19

What are goblet cells and what do they make?

Answer 19

Epithelial cells there is site for mucus

Question 20

What does it mean for epithelial tissue to be simple?

Answer 20

Single layer of cell

Question 21

What does it mean for an epithelial tissue to be stratified?

Answer 21

Many layers of cells

Question 22

How are stratified, tissues named

Answer 22

Based on the top layer of cell

Question 23

Where is simple squamous epithelium located?

Answer 23

Lungs, blood vessels, membranes in body cavities

Question 24

What is the function of simple squamous epithelium?

Answer 24

Allow diffusion across the cell

Question 25

Where is endothelium, simple squamous tissue, be located

Answer 25

Blood vessel

Question 26

Where is mesothelium , simple squamous tissue, be located

Answer 26

Membrane

Question 27

Where is simple cuboidal epithelium located?

Answer 27

Thyroid gland, ducts, attached to glands, kidney tubules

Question 28

What is the function of simple cuboidal epithelium?

Answer 28

Secretion and absorption

Question 29

Where is simple columnar epithelium located?

Answer 29

Gi tract, large ducts, fallopian tubes

Question 30

What is the function of simple columnar epithelium?

Answer 30

Secretion and absorption

Question 31

What is micro villi and their function?

Answer 31

Hair-like structures in all cell types, increase surface area for absorption

Question 32

Where in the stratified squamous epithelium, would you find the oldest cells

Answer 32

Top layer

Question 33

What is keratinized stratified squamous epithelium

Answer 33

Top cells are dead
filled with keratin

Question 34

Where is non keratinized stratified squamous epithelium found

Answer 34

Buccal cavity, lips, rectum

Question 35

Where is keratinized stratified squamous epithelium found

Answer 35

Hair skin nails

Question 36

Where are stratified cuboidal tissues located and where are stratified columnar tissue located?

Answer 36

Sweat gland
Salivary glands

Question 37

Where is transitional epithelium located?

Answer 37

Bladder and ureters