Entosthoblast

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Entosthoblast \En*tos"tho*blast\, n. [Gr. 'e`ntosthe from within
     + -blast.] (Biol.)
     The granule within the nucleolus or entoblast of a nucleated
     cell. --Agassiz.
     [1913 Webster]