PRONEPHROS
\pɹˈə͡ʊnfɹə͡ʊz], \pɹˈəʊnfɹəʊz], \p_ɹ_ˈəʊ_n_f_ɹ_əʊ_z]\
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The head-kidney of embryonic life, arising from mesomeric somites, functional for a time in lower vertebrates, later replaced by mesoor meta-nephros.
By Henderson, I. F.; Henderson, W. D.
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.