noun[mass noun] Biochemistry
A protein that is the main constituent of the microtubules of living cells.
More example sentences
- In addition to actin, other filamentous systems in cells include tubulin, collagen, and DNA.
- The basic structural subunit of microtubules is the protein tubulin.
- We also detected increases in fragments of intracellular structural proteins: tubulin, actin, and myosin.
More definitions of tubulinDefinition of tubulin in:
- The US English dictionary