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The region of the plasma membrane located at the apical end of the cell. Any constituent part of the plasma membrane, the membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. An apical plasma membrane part that forms a narrow enfolded luminal membrane channel, lined with numerous microvilli, that appears to extend into the cytoplasm of the cell. A specialized network of intracellular canaliculi is a characteristic feature of parietal cells of the gastric mucosa in vertebrates. Any constituent part of a cell, the basic structural and functional unit of all organisms. The region of a polarized cell that forms a tip or is distal to a base. For example, in a polarized epithelial cell, the apical region has an exposed surface and lies opposite to the basal lamina that separates the epithelium from other tissue. Any constituent part of a membrane, a double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: apical plasma membrane
Acc: GO:0016324
Aspect: Cellular Component
Desc: The region of the plasma membrane located at the apical end of the cell.
Proteins in PDR annotated with:
   This term: 465 [Search]
   Term or descendants: 467 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0016324 - apical plasma membrane (interactive image map)

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