A phase of the parent form in the life cycle of some Mesozoa.
[Greek] A phase of the parent form in the life cycle of some Mesozoa (zool.).
rom'b[=o]-jen, n. the infusoriform embryo of a nematoid worm.--adjs. RHOMBOGEN'IC, RHOMBOG'ENOUS. [Gr. rhombos, rhomb, gen[=e]s, producing.]