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Flashcards in Tissues Deck (12):
1

Epithelial tissue includes what two structures?

Epithelia and glands

2

What is epithelium?

Sheet of cells that covers an exposed surface or lines an internal cavity or passageway

3

Epithelium has what kind of surfaces?

Apical and basal

4

Apical surfaces

Face the exterior of the body

5

Basal surface

Attached to adjacent tissues

6

Polarity

Characteristic of epithelium in which there is an uneven distribution of organelles and other cytoplasmic components

7

Basal surface is attached to

Basal lamina

8

Basal lamina

Attached to the basal surface. It is a complex structure produced by the epithelium and cells of the underlying connective tissue

9

Avascular

Do not contain blood vessels

10

Epithelial are said to be Avascular which means they do not contain

Blood vessels

11

How does epithelial tissue obtain nutrients?

Diffusion or absorption across basal or apical surfaces

12

Four primary tissue types

Epithelial, connective, muscle, and neural