Category: K

To a temperature scale used in science in which 0 Kelvin (absolute zero) is equivalent to 273.16 Celsius. The SI unit of temperature, formally defined as the fraction 1/273.16 of the temperature of the triple point (solid-liquid-vapor equilibrium) of water. A temperature in kelvins is equal to a Celsius temperature plus 273.15°C.  

Tablet preparation of the oral cephalosporin antibiotic cephalexin.  

Process of analyzing and classifying the chromosomes of a cell and preparing a karyotype diagram; used in the diagnosis of certain chromosomal abnormalities (e.g., Down’s syndrome). Analysis of chromosomes; performed on fetal cells obtained by amniocentesis to detect the sex and various genetic factors or diseases of the unborn child. Karyotyping is also performed on…

Breakdown of the cell nucleus. The breakdown of the cell nucleus in mitosis.  

Division of the cell nucleus during mitosis and meiosis. Division of the nucleus of a cell, which occurs during cell division before division of the cytoplasm (cytokinesis). The equal division of nuclear material that occurs in cell division.  

Loss of potassium in the urine; also called kaluresis.  

Presence of potassium in the blood.  

Apparatus for the sterilization of culture media and bacteriological apparatus by the use of steam at atmospheric pressure-i.e., ‘free steam’ at 100°C.  

Local inflammatory reaction following quickly on the injection of a killed culture of Myco. tuberculosis into an animal suffering from active tuberculosis.  

Composite agar with glucose, lactose and ferric citrate with phenol red indicator, to determine the ability of enterobacteria to ferment one or both of the carbohydrates and to produce H2S. The medium is tubed as a slant with butt base; both are inoculated. If both show acidification, lactose is fermented; if only the butt shows…