Chapter 17 The Urinary System. Structures we’ll talk about tonight… Kidneys Ureters Bladder Urethra.
msreedscience.weebly.com · Web viewDucts of Larger Glands (sweat, mammary, saliva) Epithelial:...
Transcript of msreedscience.weebly.com · Web viewDucts of Larger Glands (sweat, mammary, saliva) Epithelial:...
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.