allantoic

from WordNet (r) 3.0 (2006)

allantoic
    adj 1: relating to or characterized by an allantois

from The Collaborative International Dictionary of English v.0.48

Allantoic \Al`lan*to"ic\, a. [Cf. F. allanto["i]que.]
   Pertaining to, or contained in, the allantois.
   [1913 Webster]

   {Allantoic acid}. (Chem.) See {Allantoin}.
      [1913 Webster] Allantoid