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2. Cell polarity - Wikipedia

   en.wikipedia.org/wiki/Cell_polarity

   A neuron receives signals from neighboring cells through branched, cellular extensions called dendrites.The neuron then propagates an electrical signal down a specialized axon extension from the basal pole to the synapse, where neurotransmitters are released to propagate the signal to another neuron or effector cell (e.g., muscle or gland).

3. Epithelial polarity - Wikipedia

   en.wikipedia.org/wiki/Epithelial_polarity

   These molecules appear to form two distinct complexes: an aPKC-Par3-Par6 "aPKC" (or "Par") complex that also interacts with Cdc42; and a Crumbs-Stardust-PATJ "Crumbs" complex. Of these two complexes, the aPKC complex is the most important for epithelial polarity, being required even when the Crumbs complex is not.

4. Polarized membrane - Wikipedia

   en.wikipedia.org/wiki/Polarized_membrane

   Polarized membranes are key cellular components that aid in facilitating compartmentalization, cell-to-cell communication, and signaling. Cells actively utilize polarized membranes to form and maintain electrochemical gradients and regulate both intracellular and extracellular environments.

5. Adenosine monophosphate - Wikipedia

   en.wikipedia.org/wiki/Adenosine_monophosphate

   As a substituent it takes the form of the prefix adenylyl-. [2] AMP plays an important role in many cellular metabolic processes, being interconverted to adenosine triphosphate (ATP) and adenosine diphosphate (ADP), as well as allosterically activating enzymes such as myophosphorylase-b. AMP is also a component in the synthesis of RNA. [3]

6. Mesenchymal–epithelial transition - Wikipedia

   en.wikipedia.org/wiki/Mesenchymal–epithelial...

   Unlike epithelial cells – which are stationary and characterized by an apico-basal polarity with binding by a basal lamina, tight junctions, gap junctions, adherent junctions and expression of cell-cell adhesion markers such as E-cadherin, [4] mesenchymal cells do not make mature cell-cell contacts, can invade through the extracellular matrix, and express markers such as vimentin ...

7. Polarity in embryogenesis - Wikipedia

   en.wikipedia.org/wiki/Polarity_in_embryogenesis

   An oocyte with poles depicted. In developmental biology, an embryo is divided into two hemispheres: the animal pole and the vegetal pole within a blastula.The animal pole consists of small cells that divide rapidly, in contrast with the vegetal pole below it.

8. Polar Biology - Wikipedia

   en.wikipedia.org/wiki/Polar_Biology

   Polar Biology is a monthly peer-reviewed scientific journal covering the biology of the polar regions. It is published by Springer Science+Business Media . According to the Journal Citation Reports , the journal has a 2015 impact factor of 1.711.

9. Polar auxin transport - Wikipedia

   en.wikipedia.org/wiki/Polar_auxin_transport

   Polar auxin transport (PAT) is directional and active flow of auxin molecules through the plant tissues. The flow of auxin molecules through the neighboring cells is driven by carriers (type of membrane transport protein) in the cell-to-cell fashion (from one cell to other cell and then to the next one) and the direction of the flow is determined by the localization of the carriers on the ...