| HEMA | a medicine that increases the hemoglobin content of the blood |
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| HEMA | the principal form of iron ore |
| HEMA | swelling caused by blood collecting in a body cavity (especially a swelling of the membrane covering the testis) |
| HEMA | passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer) |
| HEMA | a reddish coloring material found in some algae |
| HEMA | swelling caused by blood collecting in a body cavity (especially a swelling of the membrane covering the testis) |
| HEMA | accumulation of blood in the vagina and uterus |
| HEMA | accumulation of menstrual blood in the vagina (usually due to an imperforate hymen) |
| HEMA | a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood |
| HEMA | the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit |
| HEMA | a cyst containing blood |
| HEMA | an abnormally low number of red blood cells in the blood |