Definition of histoblast in English:

histoblast

Pronunciation /ˈhɪstə(ʊ)blɑːst/ /ˈhɪstə(ʊ)blast/

noun

Entomology
  • An imaginal disc or other group of undifferentiated cells in a larva, (in later use) specifically one involved in the formation of the adult abdomen.

Origin

Late 19th century. After French histoblaste; compare German Histoblaston.