bone marrow

noun

noun

UK /ˈbəʊn ˌmæɹəʊ/ · US /ˈboʊn ˌmɛɚoʊ/

Anatomy, Medicine, Sciences Usually The fatty vascular tissue that fills the cavities of bones, being the place where new blood cells are produced.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.