Microtubule

Definition

noun, plural: microtubules

A cytoplasmic tubule made up of polymers of alpha- and beta-tubulin dimers. It is the structural component of cytoskeleton, cilia, and eukaryotic flagella.


Supplement

Structure: a tubular structure with diameter of 25 nm, length range ranging from 200 nm to 25 micrometers, and wall thickness of 5 nm.

Features: exhibits polarity and are organized by a microtubule organizing centers (e.g. centrioles and basal bodies)

Function: renders intracellular shape, and involved in locomotion and transport.

Location: cytoplasm of most cells.


Word origin: Greek mīkrós (small)

Related form(s):


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 17 November 2010, at 21:15. This page has been accessed 40,890 times. 
What links here | Related changes | Permanent link