Definition of megakaryocyte in English:

megakaryocyte

(also megacaryocyte)

noun

Physiology
  • A giant cell with a large, irregularly lobed, polyploid nucleus, which occurs in small numbers in normal bone marrow and gives rise to blood platelets by fragmentation of its cytoplasm.

Origin

Late 19th century. From mega- + karyo- + -cyte; apparently coined by W. H. Howell.

Pronunciation

megakaryocyte

/ˌmɛɡəˈkarɪə(ʊ)sʌɪt/