Urination

[u-rin-af -shun} [urina, urine]. The act of voiding urine. Urine by the (uf-rin) kidneys. [urina’]. urine In health The fluid has an excreted amber color, a slightly acid reaction, a faint odor, a saline taste, and a specific gravity of about 1018. The average quantity excreted in 24 hours is about 1200 c.c, or 40 ounces, of which about 62.5 grams are solids. Among the solids urea is the most important, of which 35 grams are excreted in the day. Other solid constituents are uric acid (0.75 grams in the day),hippuric acid, creatin in and other extractives, sodium chlorid, phosphates and sulphates of calcium, magnesium, pota ium, and sodium. The most important abnormal constituents, present in disease, are albumin, sugar, blood, pus, acetone, diacetic acid, fat, chyle, tube-casts, various cells, and bacteria. 646