Dictionary

prostaglandin

noun pros·ta·glan·din \ˌpräs-tə-ˈglan-dən\

Definition of PROSTAGLANDIN

:  any of various oxygenated unsaturated cyclic fatty acids of animals that are formed chiefly by the action of cyclooxygenase on arachidonic acid and perform a variety of hormonelike actions (as in controlling blood pressure or smooth muscle contraction)
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Origin of PROSTAGLANDIN

prostate gland + 1-in; from its occurrence in the seminal fluid of animals
First Known Use: 1936
Medical Dictionary

prostaglandin

noun pros·ta·glan·din \ˌpräs-tə-ˈglan-dən\

Medical Definition of PROSTAGLANDIN

:  any of various oxygenated unsaturated cyclic fatty acids of animals that are formed as cyclooxygenase metabolites especially from unsaturated fatty acids (as arachidonic acid) composed of a chain of 20 carbon atoms and that perform a variety of hormonelike actions (as in controlling blood pressure or smooth muscle contraction)

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