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New Course
Concept
Apical Surface
The
apical surface
is the exposed, free surface of an
epithelial cell
that faces the lumen or
external environment
, playing a critical role in absorption, secretion, and
cellular communication
. It is distinct from the
basolateral surfaces
, which interface with the
underlying tissue
and
neighboring cells
, ensuring compartmentalization and
functional differentiation
in
epithelial tissues
.
Relevant Degrees
Cell Biology and Cytology 70%
Anatomy 30%
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