资料来源 : pyDict

前肾; 原肾

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pronephros \Pro*neph"ros\, Pronephron \Pro*neph"ron\, n. [ NL.,
   fr. Gr. ? before + ? a kidney.] (Anat.)
   The head kidney. See under {Head}.