hemal arch
- n a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
hemangioma
- n benign angioma consisting of a mass of blood vessels; some appear as birthmarks
hematin
- n a complex red organic pigment containing iron and other atoms to which oxygen binds
hematinic
- n a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia
hematite
- n the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form
hematocele
- n swelling caused by blood collecting in a body cavity (especially a swelling of the membrane covering the testis)
hematochezia
- n passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer)
hematocoele
- n swelling caused by blood collecting in a body cavity (especially a swelling of the membrane covering the testis)