Histology

Epithelial Tissue

where?
- covers surfaces and linings, also includes glands
function
- exchange
- protection
- secretion
features
- polar
- lacks EXM
- avascular
types
- simple squamous
- functions
  - lubrication
  - absorption
  - secretion
- where?
  - alveoli
  - serous membranes
  - blood vessels
  - kidney tubules
- simple cuboidal
- function
  - absorption
  - secretion
- where?
  - glands/ducts (thyroid)
  - kidney tubules
- simple columnar
- function
  - protection
  - absorption
  - secretion
- where
  - stomach lining
  - intestine lining
- stratified squamous
- function
  - protection
- where
  - skin
  - mouth lining
  - throat lining
  - vagina lining
  - rectum lining
- stratified cuboidal
- function
  - protection
  - absorption
  - secretion
- where
  - ducts (sweat and salivary)
- stratified columnar
- function
  - protection
- where
  - throat
  - anus
  - urethra
- pseudo stratified
- function
  - protection
  - mucus movement (cilia)
  - secretion
- where
  - nasal cavity
  - walls of respiratory passageways
- transitional epithelium
- function
  - stretches
- where
  - bladder
  - uterus