Physiology · Nervous System · Medium
Catecholamine
Meaning: A class of signalling molecules made from tyrosine, including noradrenaline and adrenaline, acting as neurotransmitters and hormones.
In practice: A urinary test for catecholamine breakdown products helps diagnose phaeochromocytoma.
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Which word means: The process of chewing food with the teeth to break it down before swallowing.
Answer: Mastication
Which word means: To remove waste or particles from a fluid, as performed by the kidneys.
Answer: Filter
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