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prostaglandin

pros·ta·glan·din [ pròstə glándən ] (plural pros·ta·glan·dins)


noun 
Definition:
 
substance that resembles hormone: an unsaturated fatty acid found in all mammals that performs a similar function to that of hormones in controlling smooth muscle contraction, blood pressure, inflammation, and body temperature

[Mid-20th century. <prostate + gland1]
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