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The outer membrane of a muscle cell, consisting of the plasma membrane, a covering basement membrane (about 100 nm thick and sometimes common to more than one fiber), and the associated loose network of collagen fibers. 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. Invagination of the plasma membrane of a muscle cell that extends inward from the cell surface around each myofibril. The ends of T-tubules make contact with the sarcoplasmic reticulum membrane. 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: T-tubule
Acc: GO:0030315
Aspect: Cellular Component
Desc: Invagination of the plasma membrane of a muscle cell that extends inward from the cell surface around each myofibril. The ends of T-tubules make contact with the sarcoplasmic reticulum membrane.
Synonyms:
  • triad
  • transverse tubule
Proteins in PDR annotated with:
   This term: 82 [Search]
   Term or descendants: 82 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0030315 - T-tubule (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle