a. [ Uni- + central. ] (Biol.) Having a single center of growth. [ 1913 Webster ]
Unicentral development, that form of development which takes place primarily around a single central point, as in the lowest of unicellular organisms. [ 1913 Webster ]
a. [ Pref. epi- + centrum. ] (Anat.) Arising from the centrum of a vertebra. Owen. [ 1913 Webster ]