myeloblast

noun

my·​e·​lo·​blast ˈmī-ə-lə-ˌblast 

: a large mononuclear bone-marrow cell that lacks cytoplasmic granules

especially : one that is a precursor of a myelocyte

myeloblastic

ˌmī-ə-lə-ˈbla-stik 

adjective

Word History

Etymology

borrowed from German Myeloblast, from myelo- myelo- + -blast -blast

Note: In the current sense the word is attributed to the Swiss hematologist Otto Naegeli (1871-1938), in "Ueber rothes Knochenmark und Myeloblasten," Deutsche medicinische Wochenschrift, 26. Jahrgang, No. 18 (3 Mai 1900), pp. 287-90.

First Known Use

circa 1904, in the meaning defined above

Rhymes for myeloblast

• enthusiast
• iconoclast
• osteoblast
• osteoclast
• aghast
• amassed
• biassed
• broadcast
• bypassed
• downcast
• forecast
• foremast

Medical Definition

myeloblast

noun

my·​e·​lo·​blast ˈmī-ə-lə-ˌblast 

: a large mononuclear nongranular bone marrow cell

especially : one that is a precursor of a myelocyte compare leukoblast

myeloblastic

ˌmī-ə-lə-ˈblas-tik 

adjective