melena

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melena

 [mĕ-le´nah]
darkening of the feces by blood pigments.

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.
[G. melaina, fem. of melas, black]

melena

(mə-lē′nə)
n.
The passage of black, tarry stools composed largely of blood that has been acted on by gastric juices, indicative of bleeding in the upper digestive tract.

melena

The passage of dark, clotted blood in the stool.

melena

Stool or vomit blackened by heme pigments

me·le·na

(mĕ-lē'nă)
Passage of tarry stools, due to the presence of blood altered by the intestinal juices.
Compare: hematochezia
Synonym(s): melaena.
[G. melaina, fem. of melas, black]

me·le·na

(mĕ-lē'nă)
Passage of dark-colored, tarry stools, due to presence of blood altered by intestinal juices. Cf. hematochezia.
[G. melaina, fem. of melas, black]