Glossary with audio assistance


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A

Anabolic reaction

a reaction in which chemical substances are built up and energy is used


Anaemia

a deficiency in the number of circulating red blood cells or haemoglobin concentration in the blood


Anaerobic

not requiring oxygen


Anaerobic respiration

the partial oxidation of organic compounds in the cell to release energy, in a process which does not require oxygen


Anastomosis

an artificial or naturally occurring connection between two structures, which are normally separate, for example between blood vessels or loops of intestine


Androgens

a group of male sex hormones e.g., testosterone


Anion

a negatively charged particle


Anode

a positively charged electrode to which electrons are attracted


Anorexia

loss of appetite for food


Antagonist

something which prevents or decreases a response



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