Kinetochore

//kəˈnitoʊkɔɹ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The protein structure in eukaryotes which assembles on the centromere and links the chromosome to microtubule polymers from the mitotic spindle during mitosis.
  2. 2
    a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape wordnet

Example

More examples

"Centrosomes act as the microtubule organising centre, where astral, kinetochore, and non-kinetochore microtubules extend from."

Etymology

From kineto- + Ancient Greek χῶρος (khôros, “space”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.