'Entosthoblast' definitions:
Definition of 'Entosthoblast'
From: 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]