transcription, транскрипция: [ 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