+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
Tissue?
|
A group of similar cells that preform a particular function.
|
|
What are the 4 kinds of human tissue?
|
Epithelial, connective, muscle, nerve.
|
|
What are the characteristics of epithelial tissue?
|
Covers your body, lines, secretes, the cells fit close together; avascular and innervated.
|
|
Avascular?
|
Doesnt have any blood vessels.
|
|
Innervated?
|
Supplied by nerve fibers.
|
|
Classification of epithelium based on layering and cell type?
|
Simple (1 layer), stratified; squamous: flat, irregular; cuboidal; columnar.
|
|
Simple squamous?
|
1 layer of flat, irregular cells.(lungs, kidneys, blood vessels).
|
|
Simple cuboidal?
|
L layer of square or rounded cells. (kidneys, ducks/tubes into the body).
|
|
Simple columnar?
|
1 layer of thin cells. (digestive tract).
|
|
Stratified squamous?
|
2 or more layers of flat, irregular cells. (skin, mouth, vagina) it can handle being scraped!
|
|
Stratified cuboidal?
|
2 or more layers of square/rounded cells. (ducts/tubes).
|
|
Stratified columnar?
|
2 or more layers of tall/thin cells. (urethra).
|
|
Transitional?
|
All cell types (bladder).
|
|
Pseudostratified?
|
1 layer of tall/thin cells with the nuclei in different positions. (trachea).
|
|
Basement membrane?
|
A sheet of connective tissue at the bottom of epithelial tissue joins it to whatever is below it.
|
