Category: K

One of a group of neutral steroids having a ketone group in carbon position 17. They are produced by the adrenal cortex and gonads and appear normally in the urine. Among them are androsterone, dehydroisoandrosterone, corticosterone, and 11-hydroxyisoandrosterone. Agreater than normal or less than normal excretion in the urine is indicative of certain endocrine disorders…

A derivative of the macrolide antibiotics, modified by the addition of a ketone to the macrolide structure. Telithromycin is a ketolide.  

The presence of keto acids in the urine.  

A flammable liquid fuel distilled from petroleum. It is used as a solvent as well as a fuel source.  

Lines present on chest radiographs of patients with any disease that causes thickening or infiltration of the interlobular septa. Those in the costophrenic angle area are called Kerley B lines, and those extending peripherally from the hilum are termed Kerley A lines. Kerley C lines are fine lines in the middle of pulmonary tissue.  

Inflammation of both the cornea and the uveal tract (i.e., of both the cornea and the iris, ciliary body, and choroid).  

An inaccurate synonym for actinic keratosis, which is caused by accumulated ultraviolet light exposure, not by aging. A dermatological condition that manifests in elderly individuals, marked by the development of brownish, wart-like growths, primarily occurring on the face, backs of the hands and feet, and areas exposed to the elements such as wind and sunlight.…

Discrete horny projections from the sweat pores of the palms and soles.  

Horny projections from the pharyngeal tonsils and adjacent lymphoid tissue.  

A congenital abnormality of the palms and soles, characterized by a dense thickening of the keratin layer in these regions. A significant natural thickening of the palms of the hands and the soles of the feet from birth.