hemorrhagic fever
- n a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage
hemorrhagic septicemia
- n an acute infectious disease characterized by pneumonia and blood infection
hemorrhagic stroke
- n stroke caused by the rupture of a blood vessel in the brain
hemorrhoid
- n pain caused by venous swelling at or inside the anal sphincter
hemorrhoidal vein
- n any of several veins draining the walls of the anal canal and rectum
hemorrhoidectomy
- n surgical procedure for tying hemorrhoids and excising them
hemosiderin
- n a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism
hemosiderosis
- n abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis
hemostasia
- n surgical procedure of stopping the flow of blood (as with a hemostat)
hemostasis
- n surgical procedure of stopping the flow of blood (as with a hemostat)
hemostat
- n a surgical instrument that stops bleeding by clamping the blood vessel
hemothorax
- n accumulation of blood in the pleural cavity (the space between the lungs and the walls of the chest)