Epithelial: Simple SquamousSingle layer, flattened cells

Allows for diffusion and filtration, lubricationKidney Glomeruli, Air Sacs, Blood/Lymphatic Vessels, Lining of Heart/Ventral Body Cavity

Epithelial: Stratified SquamousSeveral layers, flattened cells

Protection from abrasionEsophagus, Mouth, Vagina, Skin

Epithelial: Simple ColumnarSingle layer, tall cells

Absorption, Secretion of Mucus/EnzymesDigestive Tract, Gallbladder, Excretory Ducts of

Glands, Bronchi, Uterine Tubes, Uterus

Epithelial: Stratified ColumnarSeveral layers, tall cells

Structure, SecretionPharynx, Male Urethra

Epithelial: Pseudostratified Columnar

Single layer, taller cells of varying heightsSecretion of Mucus

Sperm-Carrying Ducts, Trachea, Upper Respiratory Tract

Epithelial: Simple CuboidalSingle layer, cube-like cells

Secretion and AbsorptionKidney Tubules, Ducts/Secretory Portions of

Small Glands, Ovary Surface

Epithelial: Stratified CuboidalSeveral layers, cube-shaped cells

SecretionDucts of Larger Glands (sweat, mammary, saliva)

Epithelial: TransitionalBasal layer, surface layer (dome-shaped)

StretchesUreters, Bladder, Urethra

ExocrineUnicellular OR Multicellular

Secrete products onto body surfaces or into body cavities

Mucous, Sweat, Oil, Salivary Glands, Liver, Pancreas

EndocrineStructurally diverse

Produce Hormones, Secrete into Extracellular Space

Digestive Tract Lining, Brain, etc.