Medical Dictionary
Main Entry:
pa·raph·y·sis Pronunciation:
p&-'raf-&-s&s Function:
noun Inflected Form:
plural pa·raph·y·ses /-"sEz/ 1 : one of the slender sterile often septate filaments of many cryptogamic plants (as fungi) that are borne among thespore- or gamete-forming organs, are single or branched, and are composed of one or more cells
2 : a median evagination of the roof of the telencephalon anterior to the epiphysisof certain lower vertebrates that is present only in the embryo of higher vertebrates