bone marrow
noun Date: 1893 a soft highly vascular modified connective tissue that occupies the cavities of most bones and occurs in two forms: a. one that is yellowish, consists chiefly of fat cells, and is found especially in the cavities of long bones b. one that is reddish, is the chief site of blood cell formation, and occurs in the normal adult in cancellous tissue especially of certain flat bones — called also red marrow

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Bone marrow — Simplified illustration of cells in bone marrow. Latin medulla ossium Code TA …   Wikipedia

  • bone marrow — n a soft highly vascular modified connective tissue that occupies the cavities and cancellous part of most bones and occurs in two forms: a) a whitish or yellowish bone marrow consisting chiefly of fat cells and predominating in the cavities of… …   Medical dictionary

  • bone marrow — bone .marrow n [U] the soft substance in the hollow centre of bones = ↑marrow ▪ a bone marrow transplant …   Dictionary of contemporary English

  • bone marrow — marrow the tissue contained within the internal cavities of the bones. At birth, these cavities are filled entirely with blood forming myeloid tissue (red marrow) but in later life the marrow in the limb bones is replaced by fat (yellow marrow).… …   The new mediacal dictionary

  • bone marrow — bone ,marrow noun uncount the soft substance inside bones …   Usage of the words and phrases in modern English

  • bone marrow — marrow1 (def. 1). * * * or myeloid tissue Soft, gelatinous tissue that fills bone cavities. Red bone marrow contains stem cells, progenitor cells, percursor cells, and functional blood cells (see reticuloendothelial system). Lymphocytes mature in …   Universalium

  • bone marrow — noun 1. the fatty network of connective tissue that fills the cavities of bones (Freq. 2) • Syn: ↑marrow • Hypernyms: ↑connective tissue • Hyponyms: ↑red marrow, ↑red bone marrow, ↑ …   Useful english dictionary

  • bone marrow — N UNCOUNT Bone marrow is the soft fatty substance inside human or animal bones. There are 2,000 children worldwide who need a bone marrow transplant. Syn: marrow …   English dictionary

  • bone marrow — noun the soft substance in the hollow centre of bones; marrow (1): a bone marrow transplant …   Longman dictionary of contemporary English

  • bone marrow — noun Bone marrow is used before these nouns: ↑donor, ↑transplant …   Collocations dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”