Physiology · Multiple Systems · Medium

Prostaglandin

Meaning: A lipid signalling molecule made from arachidonic acid that mediates inflammation, pain, fever and gut protection.

In practice: NSAIDs reduce pain and swelling by blocking prostaglandin synthesis via the cyclo-oxygenase enzymes.

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Which word means: The production of platelets from megakaryocytes in the bone marrow.

Which word means: A decrease in membrane potential, triggering a nerve or muscle action potential.

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