Source:http://linkedlifedata.com/resource/umls/id/C0036537
MSH: Endogenous substances produced through the activity of intact cells of glands, tissues, or organs.,UWDA: Body substance in a liquid or semisolid state produced by an exocrine gland. Example: saliva, sebum, blood, plasma, semen, urine.,FMA: Body substance in a liquid or semisolid state produced by an exocrine gland. Example: saliva, sebum, blood, plasma, semen, urine.