BIOL.122 Lecture 2 (epithelial types)

Pseudostratified

1 layer, columnar, looks stratified from above

Simple columnar- ciliated. Function

Moves mucus in lungs and moves eggs down fallopian tubes

Simple columnar- non ciliated. Function

absorption and secretion

Simple columnar- ciliated. Location

upper respiratory tract, fallopian tubes

Simple columnar- non ciliated. Location

Digestive tract, gall bladder, some excretory glands

Stratified squamous- Function

Protects from abrasion

Stratified squamous- Location

Oesophagus, epidermis

Stratified Cuboidal- Function

Protection, secretion, absorption

Stratified cuboidal- Location

Large ducts of glands

Simple Squamous- Function

Filtration or exchange via diffusion

Simple Squamous- Location

kidney, capillaries, alveoli, lymphatic vessels

Simple Cuboidal- Function

Secretion and absorption

Simple Cuboidal- Loaction

Kidney tubules, small glands

Stratifed Columnar- Function

Protection, secretion

Stratified Columnar- Loaction

Urethra, ducts of some glands (eg salivary)

Transitional epithelium- Function

Permits distension

Transitional epithelium- Location

Urinary bladder, ureters