Medical Definition of Cell polarity

1. 1. In epithelial cells the differentiation of apical and basal specialisations. In many epithelia the apical and baso lateral regions of plasma membrane differ in lipid and protein composition and are isolated from one another by tight junctions. The apical membrane may, for example: be the only region where secretory vesicles fuse or have a particular ionic pumping system. 2. A motile cell must have some internal polarity in order to move in one direction at a time: a region in which protrusion will occur (the front) must be defined. Locomotory polarity may be associated with the pericentriolar microtubule organising centre and can be perturbed by drugs that interfere with microtubule dynamics. (26 Mar 1998)

Lexicographical Neighbors of Cell Polarity

cell membranes
cell migration
cell migration inhibition
cell movement
cell nucleolus
cell nucleus
cell organ
cell organelle
cell phone
cell phone lot
cell phone lots
cell phones
cell physiology
cell plate
cell plates
cell polarity (current term)
cell potential
cell proliferation
cell recognition
cell renewal
cell respiration
cell sap
cell signalling
cell size
cell sorter
cell sorting
cell strain
cell surface marker
cell survival
cell synchronisation

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