ATP

adenosine triphosphate: a nucleotide in living cells that is the source of chemical energy for biological processes. A bond between two of its three component phosphate groups is easily split by a particular enzyme, ATPase (adenosine triphosphatase), yielding energy when a cell requires it.

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Psychology term of the day

November 16th 2024

cardiopulmonary bypass machine

a mechanical device that carries out the functions of the heart and lungs for short periods during surgery involving these organs. The machine collects blood from the veins before it reaches the heart and circulates it through a plastic chamber in which it is freshly oxygenated before being pumped back into the patient’s arteries.