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blood substitute

(Encyclopedia)blood substitute, substance that mimics the function of blood. Blood substitutes typically concentrate only on reproducing the function of hemoglobin, the molecule that carries oxygen through the body...

blood clotting

(Encyclopedia)blood clotting, process by which the blood coagulates to form solid masses, or clots. In minor injuries, small oval bodies called platelets, or thrombocytes, tend to collect and form plugs in blood ve...

blood test

(Encyclopedia)blood test, examination of blood routinely or as an aid in diagnosing a suspected disease. Tests may be performed on whole blood or on the plasma portion only. Blood typing identifies the proteins at ...

blood type

(Encyclopedia)blood type: see blood groups.

dragon's blood

(Encyclopedia)dragon's blood, name for a red resin obtained from a number of different plants. It was held by early Greeks, Romans, and Arabs to have medicinal properties; Dioscorides and other early writers descri...

Blood Blackfoot

(Encyclopedia)Blood Blackfoot: see Blackfoot.

blood feud

(Encyclopedia)blood feud: see vendetta.

blood poisoning

(Encyclopedia)blood poisoning: see septicemia. ...

pressure-treated wood

(Encyclopedia)pressure-treated wood, wood that has had a liquid preservative forced into it in order to protect against deterioration due to rot or insect attack. The most commonly used preservatives are chromated ...

red blood cell

(Encyclopedia)red blood cell: see blood.