Chapter 3 Flashcards
What are the four primary types of tissues?
- Epithelial
- Connective
- Muscle
- Nervous
What are the locations and functions of epithelial tissues?
Location; - body coverings - body linings - glandular tissue Function; - protection - absorption - filtration - secretion
What is the apical surface?
The free surface of the tissue
What is the basement membrane?
The lower surface of the epithelium
What is avascular?
No blood supply
What are the two different types of cell layers? Describe them.
Simple- one layer
Stratified- more than one layer
What are the different shapes of cells? Describe them.
Squamous- flattened
Cuboidal- cube shaped
Columnar- column like
What is the job of simple squamous and stratified squamous?
Simple;
- diffusion
- filtration
- secretion
Stratified;
- Protection
What is the job of simple cuboidal and stratified cuboidal?
Simple; - secretion - absorption - (ciliated types) propel mucus or cells Stratified; - protection
What is the job of simple columnar?
- secretion
- absorption
- (ciliated types) propel mucus or cells
What is the job of transitional?
- protection
- stretches to accommodate distension of urinary structures
Describe simple squamous.
- definition
- location
- job
- Single layer of flat cells
- usually forms membranes
- linings of air sacs in lungs
- forms walls of capillaries
- forms serous membranes - Diffusion, Filtration, or secretion
Describe simple cuboidal.
- definition
- location
- job
- single layer of cube-like cells.
- common in glands and their ducts
Forms walls of kidney tubules
Covers the surface of ovaries - secretion and absorption
Describe simple columnar.
- definition
- location
- job
- single layer of tall cells
- lines in digestive tract
