The Collaborative International Dictionary of English v.0.48:

Parapophysis \Par`a*poph"y*sis\, n.; pl. Parapophyses. [NL.
   See Para-, and Apophysis.] (Anat.)
   The ventral transverse, or capitular, process of a vertebra.
   See Vertebra. -- Par*ap`o*phys"ic*al, a.
   [1913 Webster]