||Hy`pa*poph"y*sis (?), n.; pl. Hypapophyles (#). [NL. See Hypo-, and Apophysis.] (Anat.) A process, or other element, of a vertebra developed from the ventral side of the centrum, as hæmal spines, and chevron bones. -- Hy`pa*po*phys"i*al (#), a.