autacoid

Definitions of autacoid
  1. noun
    any physiologically active internal secretion especially one of uncertain classification
    synonyms: autocoid
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    types:
    prostaglandin
    a potent substance that acts like a hormone and is found in many bodily tissues (and especially in semen); produced in response to trauma and may affect blood pressure and metabolism and smooth muscle activity
    type of:
    secretion
    a functionally specialized substance (especially one that is not a waste) released from a gland or cell
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