protoblast
noun
pro·to·blast
ˈprōtəˌblast
1
: a naked cell without a cell wall
2
: a blastomere of the segmenting egg that is the parent cell of a definite part or organ
protoblastic adjective
¦⸗⸗¦blastik
Word History
Etymology
International Scientific Vocabulary prot- + -blast; probably originally formed in German