containing or yielding clay: argilliferous rocks
any compact sedimentary rock composed mainly of clay materials; clay stone. Historical Examples The fact that argillite continued in use until the very last does not affect this conclusion. Appletons’ Popular Science Monthly, July 1899 Various Next above the Altyn lies thirty-four hundred feet of Appekunny argillite, or dull-green shale. The Book of the National […]
a liver enzyme that converts arginine to urea. arginase ar·gi·nase (är’jə-nās’, -nāz) n. An enzyme found primarily in the liver that catalyzes the hydrolysis of arginine to urea and ornithine.
an essential amino acid, C 6 H 14 N 4 O 2 : the free amino acid increases insulin secretion and is converted to urea in the liver by arginase. Symbol: R. Abbreviation: Arg; Historical Examples In vertebrates, the basis for the phosphoric acid is creatine, whereas invertebrates have arginine instead. Smithsonian Institution – United […]
argininosuccinicaciduria argininosuccinicaciduria ar·gi·ni·no·suc·cin·ic·ac·i·du·ri·a (är’jə-nĭ-nō-sək-sĭn’ĭk-ās’ĭ-dur’ē-ə, -dyur’-, är’jə-nē’-) n. A disorder characterized by excessive excretion of argininosuccinic acid in the urine, epilepsy, ataxia, mental retardation, liver disease, and friable, tufted hair.