| kern-plasma relation theory | A theory enunciated by Hertwig (1903) that a definite relation as to size normally exists in every cell between the mass of nuclear material and that of the protoplasm. Origin: Ger. Kern, kernel, nucleus (05 Mar 2000) |
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| kerned | Having part of the face projecting beyond the body or shank; said of type. "In Roman, f and j are the only kerned letters." Source: Websters Dictionary (01 Mar 1998) |
| kernel | 1. The essential part of a seed; all that is within the seed walls; the edible substance contained in the shell of a nut; hence, anything included in a shell, husk, or integument; as, the kernel of a nut. 2. A single seed or grain; as, a kernel of corn. 3. A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh. 4. The central, substantial or essential part of anything; the gist; the core; as, the kernel of an argument. Origin: OE. Kernel, kirnel, curnel, AS.cyrnel, fr. Corn grain. See Corn, and cf. Kern to harden. Source: Websters Dictionary (01 Mar 1998) |
| kernel blight | <microbiology, plant biology> Any of a group of fungal diseases of barley which cause withering and discolouration of the grain, Gibberella zeae, Helminthosporiumsativum and Alternaria are typically the culprits. (09 Oct 1997) |
| kernel spot | <microbiology, plant biology> A fungal disease of pecans that causes irregular brown spots on the nuts, it is caused by Coniothyrum caryogenum. (09 Oct 1997) |
| kernicterus | <paediatrics> Disorder due to jaundice in a newborn baby with high blood levels of the pigment bilirubin that is deposited in the brain resulting in damage. The level of bilirubin is monitored in newborns to determine whether treatment is needed to prevent kernicterus. With brain affected, it is also called bilirubin encephalopathy. (12 Dec 1998) |
| Kernig's sign | <clinical sign> A physical examination finding that can indicate inflammation of the meninges (meningitis), with the subject lying flat on the back, the thigh is flexed (at right angle to the trunk), at this point complete extension at the knee joint is impossible, due to pain. (13 Nov 1997) |
| Kernig, Vladimir | <person> Russian physician, 1840-1917. See: Kernig's sign. (05 Mar 2000) |
| Kernohan's notch | A notch in the cerebral peduncle due to displacement of the brainstem against the incisura of the tentorium by a transtentorial herniation. (05 Mar 2000) |
| Kernohan, J | <person> U.S. Pathologist, *1897. See: Kernohan's notch. (05 Mar 2000) |
| keroid | Synonym: horny. Origin: G. Keroeides, horn-like (05 Mar 2000) |
| kerolite | <chemical> Same as Cerolite. Source: Websters Dictionary (01 Mar 1998) |
| kerosene | A refined petroleum fraction used as a fuel as well as a solvent. (12 Dec 1998) |
| kerosine fungus | <fungus> An asexual fungus (Hormoconisresinae in the family Amorphothecaceae) that is found in the air andsoil which can grow in and block the fuel filters of jet engines. (09 Oct 1997) |
| kerotherapy | Treatment of burns and denuded surfaces with wax or paraffin preparations. Origin: G. Keros, wax, + therapeia, treatment (05 Mar 2000) |