Epithelial cells form sheets that define the inside, outside, and boundaries of

Question

Epithelial cells form sheets that define the inside, outside, and boundaries of the organism. Match each spatial description below with the correct name of the structure or domain that it describes.

Part of the cell that separates the two major functional domains of the epithelial cell

Part of the cell surface that faces the outside world (outside of the organism)

Part of the cell surface that faces the inside of the organism

Structure that forms the “floor” on which the epithelial sheet is anchored

Part of the cell surface that faces the neighboring cells

Choices: (1) Apical domain, (2) Basal domain, (3) basal lamina, (4) junctional complex, (5) lateral domain

Explanation / Answer

Part of the cell that separates the two major functional domains of the epithelial cell --------> (4) junctional complex

Part of the cell surface that faces the outside world (outside of the organism) ----------> (1) Apical domain

Part of the cell surface that faces the inside of the organism -----------> (2) Basal domain

Structure that forms the “floor” on which the epithelial sheet is anchored ------------> (3) basal lamina

Part of the cell surface that faces the neighboring cells --------> (5) lateral domain

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