TISSUES

Question 1

Group of specialized cells and the extracellular substances surrounding them.

Answer 1

Tissues

Question 2

Microscopic study of tissues

Answer 2

Histology

Question 3

What are the results of the changes in the tissues?

Answer 3

Aging, development, trauma, and disease.

Question 4

What are the four type of tissues?

Answer 4

Epithelial, connective, muscle, and nervous tissues

Question 5

Characteristics of epithelial cells….

Answer 5

1. composed mostly of cells
2. covers body surfaces
3. Distinct cell types
4. Cell and matrix connection
5. Non-vascular
6. Capable of regeneration (replaces damaged cells)

Question 6

Functions of the epithelia

Answer 6

1. protecting underlying structures from abrasion
2. Acts as barrier and prevents substances from entering.
3. Permitting the passage of substances.
4. Secreting substances
5. Absorbing substances

Question 7

Three major classification/types of epithelium based on the number of cell types…

Answer 7

1. Simple epithelium
2. Stratified epithelium
3. Pseudo stratified columnar epithelium
4. Translational epithelium

Question 8

Consists of one layer of cell, extending from the basement membrane up to the free surface…

Answer 8

Simple epithelium

Question 9

Consists of more than one layer of cell

Answer 9

Stratified epithelium

Question 10

Appears to have more than one layer of cells but actually a simple epithelium…

Answer 10

Pseudo stratified columnar epithelium

Question 11

Three major classification/types of epithelium based on the idealized shapes of epithelial cells….

Answer 11

1. Squamous
2. Cuboidal
3. Columnar

Question 12

Flat/scale -like cells

Answer 12

Squamous cells

Question 13

Cube-like cells/cube-shaped. They are as wide as how tall they are…

Answer 13

Cuboidal epithelium

Question 14

Tall and thin, similar to a column. Cells are actually taller than how wide they are.

Answer 14

Columnar epithelium

Question 15

Single layer of thin, flat cells. This prevents abrasion between organs.

Answer 15

Squamous epithelium

Question 16

Single layer of cube-like cells, that carry out active transport, and facilitated diffusion

Answer 16

Simple cuboidal epithelium

Question 17

Single layer of tall, thin cells

Answer 17

Simple columnar epithelium cells

Question 18

Secretes mucus that covers their free surface…

Answer 18

Pseudo columnar epithelium

Question 19

Forms thick epithelium…..

Answer 19

Stratified squamous epithelium

Question 20

Consists of more than 1 layer of cuboidal cells…..

Answer 20

Stratified cuboidal ep. cells

Question 21

Consists of more than 1 layer of epithelial cells…

Answer 21

Stratified columnar ep. cells

Question 22

Special type of stratified epithelium

Answer 22

Transitional epithelium

Question 23

Mechanical links that binds cells together

Answer 23

Desmosomes

Question 24

Modified desmosomes, anchors cells to the basement membrane.

Answer 24

Hemidesmosomes

Question 25

Binds adjacent cells and form permeability barriers

Answer 25

Tight junctions

Question 26

Small channels that allow small molecules/ions to pass...

Answer 26

Gap junctions

Question 27

Secretory organs

Answer 27

Glands

Question 28

Makes up/connects every part of the organ in the body?

Answer 28

Connective tissues

Question 29

Specialized to contract/shorten making movement possible...

Answer 29

Muscle tissues

Question 30

3 types of muscle tissues...

Answer 30

1. Skeletal-long and cylindrical 2. Cardiac- ,muscle of the heart 3. Smooth- forms walls of hollow organs. Also found in the skin and eye.

Question 31

Forms the brain, spinal cord, and nerves. | This is specialized to conduct action potential (electrical signals).

Answer 31

Nervous tissue

Question 32

Type of distinct cell surface wherein cells are exposed and not attached to other cells.

Answer 32

Free surface

Question 33

Type of distinct cell surface wherein cells are attached to another epithelial cells.

Answer 33

Lateral surface

Question 34

Type of distinct cell surface wherein it is located in the base of the cell and are attached to a basement membrane.

Answer 34

Basal surface.

Question 35

Type of distinct cell surface which is specialized type of extracellular material excreted by epithelial and connective tissue cells.

Answer 35

Basement membrane