Definition for second messenger - Oxford Dictionaries Online (World English)

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	second messenger (sec¦ond mes¦sen\|ger) noun Physiology a substance whose release within a cell is promoted by a hormone and which brings about a response by the cell.		More words in this category B-cell bilious blood heat colostrum complement dilatation excitable expiratory inspire low-density lipoprotein LTP menorrhagia neurohormone pressor pull retinotopic somatotrophin synergy synostosis trans-synaptic Nearby Words second honeymoon second in command second intention Second International Second Isaiah second lieutenant second line second master second mate second messenger second mortgage second name second nature second officer second position second reading Second Republic second sight second strike