Characteristics of Epithelial Tissue definitions Flashcards
Characteristics of Epithelial Tissue definitions
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Polarity
Distinct apical and basal surfaces in epithelial tissue, each with unique structures and functions. Apical Surface
The surface of epithelial tissue facing open space, often containing cilia or microvilli. Basal Surface
The surface of epithelial tissue facing the basement membrane, anchoring the tissue. Basement Membrane
Extracellular structure separating epithelial and connective tissues, composed of basal and reticular lamina. Tight Junctions
Cell junctions creating a leak-proof barrier by holding epithelial cells tightly together. Desmosomes
Complex cell junctions anchoring neighboring epithelial cells firmly together. Gap Junctions
Cell junctions allowing exchange of nutrients between neighboring epithelial cells. Avascular
Characteristic of epithelial tissue indicating absence of blood vessels. Innervated
Presence of nerves in epithelial tissue, enabling sensation detection. Connective Tissue
Tissue supporting epithelial tissue by supplying nutrients and removing waste. Basal Lamina
Layer of the basement membrane produced by epithelial tissue. Reticular Lamina
Layer of the basement membrane produced by underlying connective tissue. Highly Regenerative
Epithelial tissue's ability to rapidly divide and replace damaged cells. Cancer
Disease often originating in epithelial tissue due to rapid cell division and mutation. Extracellular Matrix
Minimal space between tightly packed epithelial cells, analogous to cement in a brick wall.
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