Epithelial Tissue | Structure & Function🩺 

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Epithelial Tissue | Structure & Function 🩺
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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
(0:00-7:02)
Basic tissues of human body;
Defining Epithelium & its types;
Location in body.
(7:04-11:00)
Functions of epithelial tissue; protection, secretion & absorption.
Sensory functions of epithelial tissues; olfaction, gustatory etc.
(11:10-21:50)
Epithelial Tissues; Classification in detail; By Shape: Squamous, Cuboidal, Columnar etc.
By Layers, & attachment with Basement Membrane (BM): Stratified, Simple; Stratified Squamous epithelium, Simple Cuboidal epithelium etc.
Explanation with help of various examples e.g., Urinary/Transitional epithelium,
(22:00-25:00)
Simple Squamous; in detail: Endothelium, Alveoli, Nephrons.
Simple Cuboidal: Nephrons, Glandular ducts, surface of ovaries.
Simple Columnar: GI system, Gall Bladder.
(25:01-27:40)
Pseudostratified Epithelium; detail: Trachea, Epididymis.
(27:41-31:25)
Stratified Squamous Epithelium; in detail: keratinized/cornified (Skin) & non-keratinized (oral cavity, vagina, esophagus).
Stratified Cuboidal Epithelium: Ducts of some glands,
Stratified Columnar Epithelium: Ducts of large glands,
Transitional Epithelium: Calyces, ureter & urinary bladder.
(31:27-34:32)
Specialization of Epithelial Cells: Basal, Apical & Lateral domain/surface of cells.
Significance/Different features of different domains of Epithelial Cells.
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