Tissues

Question 1

Epithilial functions

Answer 1

-covers skin, lines body cavities, forms body glands
- protection, absorption, filtration, secretions

Question 2

Epithelial characteristics

Answer 2

-fit closely together in sheets.
- has apical surface that is free, unattched, expose to exterior or cavity
- basement membrane- lower resting surface, no blood supply of own, well nourished and regenerate easily

Question 3

Epithelial classification

Answer 3

has 2 names, 1st is cell layer, and second describe the shape

Question 4

Epithelial simple

Answer 4

1 layer- absorption, secretion, filtration

Question 5

Epithelial stratified

Answer 5

more than 1 layer- protection

Question 6

Epithelial shapes

Answer 6

squamous- flat
Cuboidal- cube shaped.
columnar- column shaped

Question 7

simple squamous

Answer 7

1 layer, thin
-found; filtration and diffusion membranes, air sacs of lungs, capillary walls, serous membranes

Question 8

simple cuboidal

Answer 8

1 layer, cube shaped
found- glands and ducts, salivary, pancreas, kidney tubule walls, ovary surface

Question 9

simple columnar

Answer 9

single layer column shaped
- found; goblet cells(produce mucus), line digestive tract, mucous membranes( line body cavities open to exterior

Question 10

pseudostratified columnar

Answer 10

some cells shorter than others
- nuclei appear at different heights
-ciliated one lines respiratory tract

Question 11

stratified squamous

Answer 11

most common type
found; sites receiving friction ex; esophagus mouth, outer skin

Question 12

stratified cuboidal and columnar

Answer 12

rare in body and found in ducts of large glands

Question 13

transitional

Answer 13

modified stratified squamous
- lines bladder, uterus, urethra (areas subject to stretching)

Question 14

glandular
endocrine
exocrine

Answer 14

• develop from epithelial sheets
  -no connection to surface (ductless), hormone secretions diffuse directly into blood vessels within glands
  -secretions empty via ducts to epithelial surface-has an exit/pathway out

Question 15

connective functions

Answer 15

protects, supports, binds together other tissues

Question 16

connective characteristics

Answer 16

variations in blood supply, well vascularized besides tendons ligaments cartilage
extracellular matrix-non living substance outside of cells, made up of ground substance and fibers

Question 17

Connective bone

Answer 17

bone cells within a cavity, surrounded by hard matrix,
function; protects, supports other body organs

Question 18

Hyaline (cartilage)

Answer 18

many collagen fibers in a RUBBARY MATRIX
- glassy blue/ white appearance
- found support structures of larynx, attaches ribs to breast bone, covers ends of bones at joints, fetus “bone”

Question 19

cartilage

Answer 19

less hard more flexible than bone

Question 20

fibrocartilage

Answer 20

compressible
found in disks between vertibrae

Question 21

elastic (cartilage)

Answer 21

found in external ear