CLASSIFICATION OF EPITHELIAL TISSUES - created from Mind Map

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Covering and lining epithelia

SIMPLE

STRATIFIED

Simple cuboidal epithelium

Simple columnar epithelium

Simple squamous epithelium

Pseudostratified epithelium

Cytoplasm: boundaries clear and visible

Nuclei: round and centrally placed

Presence of Microvilli

Presence of organelles and secretory vesicles (less than in columnar epithelium

LOCATION: thyroid follicles, small ducts of exocrine glands, ovary, kidney

FUNCTION: protection, barrier, secretory and absorptive activity

Nuclei: prominent, elongated, hyperchromatic

Cytoplasm: Scant, dense, few organelles

Poor metabolic activity

FUNCTION: Protection and barrier

LOCATION: endothelium, alveoli, Bowman's capsule, loop of Henle, mesothelium (pleural, pericardial cavities)