pericentriolar material (PCM)

(noun)

Pericentriolar material (PCM) is an amorphous mass of protein which makes up the part of the animal centrosome that surrounds the two centrioles. The PCM contains proteins responsible for microtubule nucleation and anchoring including γ-tubulin, pericentrin and ninein.

Related Terms

Examples of pericentriolar material (PCM) in the following topics:

  • Centrosome

    • an amorphous mass of protein termed the pericentriolar material (PCM) .
    • The PCM contains proteins responsible for microtubule nucleation and anchoring.
    • The mother centriole just aids in the accumulation of materials required for the assembly of the daughter centriole.
    • Centrosomes are composed of two orthogonally arranged centrioles surrounded by an amorphous mass of protein termed the pericentriolar material (PCM).