Lexicon

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Acetylcholine

Acetylcholine A neurotransmitter found throughout the body which acts as a nerve system stimulant.

Acetylcholinesterase An enzyme in nerve cells which destroys acetylcholine and therefore cuts off excitation of nerves.

Ache For To want something or someone very much.

Achilles Tendon The tendon which stretches from the heel to the calf muscles.

Achlorhydria When there is no production of gastric acid.

Achilles Tendonitis Inflammation, irritation and swelling of the Achilles tendon – the tendon that connects the muscles of the calf to the heel.

Achlorhydria When there is no production of gastric acid.

Achluophobia Fear of darkness.

Achondroplasia A disorder of bone growth that causes dwarfism.

Achromasia Lack of normal pigmentation especially in the skin or red blood cells.