SIMPLE EPITHELIUM.

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Presentation transcript:

SIMPLE EPITHELIUM

Four types of tissues: 1. EPITHELIUM TISSUE - More cells, small amount of extracellular substance - Lining the surface of the body, lumen of body cavities and can be found in glands (secretion) 2. MUSCLE TISSUE 3. CONNECTIVE TISSUE 4. NERVOUS TISSUE

Types of epithelium: Lining epithelium Glandular epithelium - simple - pseudostratified - transitional - stratified Glandular epithelium Neuroepithelium

SIMPLE SQUAMOUS EPITHELIUM Function: lining and protection Localization: serous membranes, renal corpuscle, blood vessels, cornea,..

SIMPLE SQUAMOUS EPITHELIUM corpusculum renis Nuclei of squamous cells

SIMPLE SQUAMOUS EPITHELIUM - Nuclei of the squamous cells

SIMPLE CUBOIDAL EPITHELIUM epithelial cell nucleus basal lamina Function: lining the surfaces, secretion Localization: ovaries, renal tubules, thyroid gland,...

SIMPLE CUBOIDAL EPITHELIUM nucleus of cuboidal cell basal lamina

SIMPLE COLUMNAR EPITHELIUM Function: lining, absorption Localization: collecting ducts in kidney, gallbladder,...

SIMPLE COLUMNAR EPITHELIUM basal lamina apical part of columnar cell simple squamous epithelium nucleus of columnar cell

SIMPLE COLUMNAR EPITHELIUM nucleus of columnar cell

simple EPITHELiUM CUBOIDAL EPITHELIUM COLUMNAR EPITHELIUM