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.


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):

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