hem-, haem-, hemo-, haemo, hema-, haema-, hemato-, haemato-, hemat-, haemat-, -hemia, -haemia, -hemic, -haemic

The science of the flow of blood in relation to the pressures, flow, volumes, and resistances in blood vessels, especially in terms of blood viscosity and red cell deformation in the microcirculation.

1. In medicine, an abnormal, severe internal or external discharge of blood: A hemorrhage my be venous, arterial, or capillary from blood vessels into tissues, into or from the body.

Venous blood is dark red and its flow is continuous. Arterial blood is bright red and flows in spurts. Capillary blood is reddish and exudes from the tissue.

The diagnosis is obvious when a hemmorrhage is visible. When it is internal, diagnosis is made from the patient's general condition, like shock, weakness, rapid, and irregular pulse, pallor, or cold and moist skin.
2. Non-medical, a large uncontrolled loss of something valuable : Jane read in an article that the high wages paid in the U.S. were very attractive to the workers in Germany and caused a hemorrhage of talent when many people left to work where the income was much higher.

1. An acute infectious disease characterized by pneumonia and blood infection.
2. Any of several pasteurelloses of domestic animals (as swine plague, shipping fever of cattle and lambs, and fowl cholera) that are caused by a bacterium of the genus Pasteurella and are typically marked by internal hemorrhages, fever, mucopurulent discharges, and often pneumonia and diarrhea.

Denoting one of the tumors or varices constituting hemorrhoids.

A bacterial disorder in the bloodstream: Dr. Jonas informed Paul that he was suffering from hemosepsis in his blood and so he would be referred to a hematologist for further diagnosis.

The procedure of averting blood loss from a vein, artery, or organ of a body: In order to ensure hemostasis, Dr. Schäfer used a tourniquet to stop the flow of the body's vital fluid in Lynn's arm before the operation on her wrist began.