ketosteroid


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

ketosteroid

 [ke″to-ste´roid]
a steroid having ketone groups on functional carbon atoms.
17-k's steroids found in normal urine and in excess in certain tumors, which have a ketone group on the 17th carbon atom, and include certain androgenic and adrenocortical hormones.

ketosteroid

/ke·to·ster·oid/ (ke″to-ster´oid) a steroid having ketone groups on functional carbon atoms. The 17-ketosteroids, found in normal urine and in excess in certain tumors and in congenital adrenal hyperplasia, have a ketone group on the 17th carbon atom and include certain androgenic and adrenocortical hormones.

ketosteroid

(kē′tō-stĕr′oid′, -stîr′-)
n.
A steroid, such as androsterone or estrone, that contains a ketone group.

ketosteroid

A steroid hormone to which an oxygen molecule has been attached, especially at the 17th carbon atom (C-17). An oxosteroid. A 17-ketosteroid is a steroid with a C-O (carbonyl) group at C-17. 17-ketosteroids are excreted in the urine as breakdown products of ANDROGENS and are present in excess in adrenal and gonadal overactivity.

ketosteroid

a steroid having ketone groups on functional carbon atoms.

17-k's
steroids found in normal urine and in excess in certain tumors, which have a ketone group on the 17th carbon atom, and include certain androgenic and adrenocortical hormones.
References in periodicals archive ?
A myriad of determinands caught his interest: magnesium, calcium, beryllium, gold, copper, iron, and zinc; phosphorous, chloride, and protein-bound iodine; creatinine, urea, bilirubin, proteins, estrogens, nucleic acids, ketosteroids, and haptoglobin; cholesterol, triglycerides, free fatty acids, and phospholipids; salicylates, barbiturates, thiobarbiturates, methotrexate, carbon monoxide, methanol, and ethanol; alkaline phosphatase, glucose-6-phosphatase, 5-'nucleotidase, cholinesterase, and creatine kinase.
Preparation of trimethylsilyl, triethylsilyl and tert-butyldimethylsilyl enol ethers from ketosteroids for investigations by gas-chromatography and mass-spectrometry.
Preparation of trimethylsilyl, triethylsilyl and tert butyldimethylsilyl enol ethers from ketosteroids for investigations by gaschromatography and mass-spectrometry.