Lecture 4 - Cell Biology 2 Flashcards
1
Q
What are the four categories of tissues?
A
- Epithelium
- Connective tissue
- Muscle
- Nervous tissue
2
Q
T/F: epithelia are avascular
A
True
3
Q
Lumen
A
space contained in a tube
4
Q
Polarity
A
fixed segments of a cell’s borders
5
Q
Apical
A
border or surface facing the lumen
6
Q
Basal
A
surface adjacent to the underlying connective tissue matrix
7
Q
Lateral
A
surface facing /attached to adjacent cells in the tissue
8
Q
What are the two ways epithelia are classified
A
- number of layers
- shape of cell
9
Q
one layer
A
simple
10
Q
> 2 layers
A
stratified
11
Q
flat
A
squamous
12
Q
cube-shaped
A
cuboidal
13
Q
tall and skinny
A
columnar
14
Q
Simple squamous
A
diffusion
walls of capillaries, alveoli
15
Q
Simple cuboidal
A
lines secretory ducts
renal tubules
