melanorrhagia


me·le·na

(me-lē'nă), Although the correct pronunciation of this word is as noted, the more usual U.S. pronunciation is mel'ena.Passage of dark-colored, tarry stools, due to the presence of blood altered by the intestinal juices. Compare: hematochezia. Synonym(s): melanorrhagia, melanorrhea [G. melaina, fem. of melas, black]

melanorrhagia

(1) Haematochezia, see there. 
(2) Melena, see there.