Download Simple Squamous Epithelium

Simple Squamous Epithelium
Description:
 Single layer of flat cells
Locations:
 Lining of ventral body cavities
 Lining of heart and blood vessels
 Portions of kidney tubules
 Inner lining of cornea
 Gas exchange surfaces in lungs
Functions:
 Decrease friction
 Controls vessel permeability
 Absorption
 Secretion
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Simple Cuboidal Epithelium
Description:
 Single layer of cube-shaped cells
Locations:
 Glands
 Ducts
 Portions of kidney tubules
 Thyroid gland
Functions:
 Limited protection
 Absorption
 Secretion
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Simple Columnar Epithelium
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Description:
 Single layer of cells that are taller than they are wide
Locations:
 Lining
 Lining
 Lining
 Lining
 Lining
of
of
of
of
of
stomach
intestine
gall bladder
Fallopian tubes
collecting ducts in kidneys
Functions:
 Protection
 Absorption
 Secretion
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Pseudostratified Columnar Epithelium
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Description:
 Appear stratified
 Nuclei of cells at different levels
 All cells contact basement membrane
Locations:
 Lining of nasal passages
 Lining of bronchi
 Lining of trachea
Functions:
 Protection
 Secretion
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Goblet cell
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Stratified Squamous Epithelium
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Description:
 Several layers of cells
 Cells at surface are flat
 Cells near basement membrane are cuboidal
Locations:
 Surface of skin
 Lining of mouth, throat, rectum, anus, vagina
Functions:
 Provides physical protection against abrasion, pathogens, and chemical attack
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