English > secretion: 2 senses > noun 2, body| Meaning | A functionally specialized substance (especially one that is not a waste) released from a gland or cell. |
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| Narrower | autacoid, autocoid | Any physiologically active internal secretion especially one of uncertain classification |
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| ganoin, ganoine | shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales |
| hormone, endocrine, internal secretion | The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect |
| intestinal juice | secretions by glands lining the walls of the intestines |
| lacrimal secretion, lachrymal secretion | saline fluid secreted by lacrimal glands |
| mucus, mucous secretion | Protective secretion of the mucus membranes |
| musk | An odorous glandular secretion from the male musk deer |
| nectar | A sweet liquid secretion that is attractive to pollinators |
| perspiration, sweat, sudor | salty fluid secreted by sweat glands |
| pheromone | A chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species |
| royal jelly | A secretion of the pharyngeal glands of bees that is fed to very young larvae and to bees destined to be queens |
| saliva, spit, spittle | A clear liquid / liquid secreted into the mouth by the salivary glands and mucous glands of the mouth |
| sebum | The oily secretion of the sebaceous glands |
| synovia, synovial fluid | viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc. |
| Broader | liquid body substance, bodily fluid, body fluid, humor, humour | The liquid parts of the body |
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| Spanish | secreción |
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| Catalan | secreció |
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| Adjectives | secretory | of or relating to or producing a secretion |
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