Pronephron

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pronephros \Pro*neph"ros\, Pronephron \Pro*neph"ron\, n. [ NL.,
     fr. Gr. ? before + ? a kidney.] (Anat.)
     The head kidney. See under {Head}.
     [1913 Webster]