embryonal
adjective
em·bry·o·nal em-ˈbrī-ə-nᵊl 
: embryonic sense 1
Example Sentences
Recent Examples on the Web She was diagnosed at the age of 3 with a rare cancer called embryonal rhabdomyoscarcoma. 
Natalie Dreier, ajc, 17 Nov. 2017
Natalie Dreier, ajc, 17 Nov. 2017 Word History
First Known Use
1652, in the meaning defined above
Medical Definition
embryonal
adjective
em·bry·o·nal em-ˈbrī-ən-ᵊl
: embryonic sense 1