Module 3 Tissue

Question 1

Group of cells with same parts, function & extracellular substances

Answer 1

Tissue

Question 2

Microscopic study of tissue structure

Answer 2

Histology

Question 3

4 basic tissue types

Answer 3

Epithelial, Connective, muscle and nervous

Question 4

Covering of external and internal surfaces
VERY LITTLE extracellular material space between them

Answer 4

Epithelial tissue (Epithelium/Epithelia)

Question 5

Partly secreted by epithelial cells
Filter and acts as a barrier to cell movement

Answer 5

Basement membrane

Question 6

Bind adjacent cells together to form permeability barriers, PREVENT passage of materials

Answer 6

Tight junctions

Question 7

Small channels that ALLOWS small molecule and ions to pass through

Answer 7

Gap junctions

Question 8

Mechanical links that bind cells together “belt”

Answer 8

Desmosomes

Question 9

modified desmosomes thst ANCHOR the cells to the basement membrane

Answer 9

HEMIdesmosomes

Question 10

Functions of epithelial tissues

Answer 10

1. Protection
2. Barrier
3. Passage
4. Secretion
5. Absorption

Question 11

The w classification of epithelia

Answer 11

According to the NUMBER of cell layers
According to the SHAPE of the cells

Question 12

Single layer of thin, flat cells
Prevents abrasion w organs

Answer 12

Simple squamous epithelium

Question 13

Cube like shape
Carry out active transport

Answer 13

Simple cuboidal epithelium

Question 14

Single layer of tall and thin cells
Absorb digested foods

Answer 14

Simple columnar epithelium

Question 15

Special type of simple epithelium that appears stratified but it’s not

Answer 15

Pseudostratified columnar epithelium

Question 16

Multi layered CUBOIDAL OR COLUMNAR cells capable of dividing and producing new cells

Answer 16

Stratified squamous epithelium

Question 17

Multi layered surface columnar cells and irregular or cuboidal deeper layer cells

Answer 17

Stratified cuboidal epithelium

Question 18

Special type of stratified epithelium that is highly stretchable
As it stretch cells change

Answer 18

Transitional epithelium

Question 19

Characterized by LARGE amounts of extracellular material that separates cell from one another

Answer 19

Connective tissue

Question 20

Collagen fibers that is flexible but resist stretching

Answer 20

Protein fibers

Question 21

Very fine short fibers that branch to form supporting network

Answer 21

Reticular fibers

Question 22

Recoils to original shape after being stretched

Answer 22

Elastic fibers

Question 23

Shapeless background against w/c cells and collagen fibers

Answer 23

Ground substance

Question 24

Pine tree like proteins that form branches that traps water

Answer 24

Proteoglycans

Question 25

Release histamine causing inflammation

Answer 25

MAST cells

Question 26

Produce matrix

Answer 26

Blast (germ)

Question 27

Maintain matrix

Answer 27

Cyte (cell)

Question 28

Break down the matrix

Answer 28

Clast (break)

Question 29

Extracellular matrix is mostly collagen Contains numerous fibroblast

Answer 29

Areolar

Question 30

Large fat storage cells w small amount of extracellular matrix

Answer 30

Adipose

Question 31

Lymphatic tissue framework

Answer 31

Reticular (spleen, lymph nodes, bone marrow and liver)

Question 32

Large number of protein fibers

Answer 32

Dense connective tissue

Question 33

Collagen fibers are oriented in the same direction

Answer 33

Dense regular

Question 34

Collagen fibers are oriented in many different directions

Answer 34

Dense irregular

Question 35

Abundant elastic fibers among collagen fibers which allow tissue to recoil and stretch

Answer 35

Dense elastic connective tissue

Question 36

Composed of chondrocytes Gives flexibility and strength Provide resiliency or the the ability to spring back to original shape

Answer 36

Cartilage

Question 37

3 types of cartilage

Answer 37

1. Hyaline 2. Fibrocartilage 3. Elastic

Question 38

Clear, glassy Most ABUNDANT covers bone ends to FORM JOINTS

Answer 38

hyaline

Question 39

Able to resist pulling or tearing forces

Answer 39

Fibrocartilage

Question 40

Hard CT that consist of living cells and a mineralized matrix

Answer 40

Bone

Question 41

Bone cells

Answer 41

Osteocytes

Question 42

Ability to contract and make movement possible

Answer 42

Muscle tissue

Question 43

“Meat of animals” 40% of body weight Attached to skeleton VOLUNTARY movement Cellls are STRIATED

Answer 43

Skeletal muscle

Question 44

Heart muscle for pumping blood Involuntary control Connected through intercalated disks

Answer 44

Cardiac muscle

Question 45

Forms walls of hollow organs, skin and eyes Involuntary Tapered at each end

Answer 45

Smooth muscle

Question 46

Forms brain, spinal cord and nerves For coordinating and controlling many body activities

Answer 46

Nervous tissue

Question 47

Nerve cell that is responsible for conducting action potentials

Answer 47

Neurons

Question 48

Various kind of epithelium resting on a thick layer of CT Line cavity that opens outside the body

Answer 48

Mucous membranes

Question 49

Simple squamous resting on a loose CT Secrete serous

Answer 49

Serous membranes

Question 50

Line inside the cavities and produce synovial fluid

Answer 50

Synovial membranes