protomorphic
Pro`to*mor"phic, a. Etym: [Proto- + Gr. (Biol.) Defn: Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue. H. Spencer.
Pro`to*mor"phic, a. Etym: [Proto- + Gr. (Biol.) Defn: Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue. H. Spencer.