| Killian's bundle | Origin, outer surfaces of thyroid (thyropharyngeal part) and cricoid (cricopharyngeal part, musculus cricopharyngeus; superior or upper oesophageal sphincter muscle) cartilages; insertion, pharyngeal raphe in the posterior portion of wall of pharynx; action, narrows lower part of pharynx in swallowing, the cricopharyngeal part has a sphincteric function for the oesophagus, allowing some voluntary control of eructation and reflux; nerve supply, pharyngeal plexus. Synonym: musculus constrictor pharyngis inferior, cricopharyngeus muscle, laryngopharyngeus, musculus laryngopharyngeus. (05 Mar 2000) |
|---|---|
| Killian's operation | <procedure, surgery> An operation for frontal sinus disease in which the entire anterior wall is removed and the mucous membrane is curetted away. The ethmoid cells are scraped out through an opening in the nasal process of the maxillary bone, and the upper wall of the orbit is removed as well. (05 Mar 2000) |
| Killian's triangle | <anatomy> The triangular-shaped area of the cervical oesophagus bordered by the oblique fibres of the inferior constrictor muscle of the pharynx and the transverse fibres of the cricopharyngeus muscle through which Zenker's diverticulum occurs, and the A-V nodal triangle between the coronary sinus orifice and the ventricular crest. Synonym: laimer triangle. (05 Mar 2000) |
| Killian, Gustav | <person> German laryngologist, 1860-1921. See: Killian's bundle, Killian's operation, Killian's triangle. (05 Mar 2000) |
| killifish | <marine biology> Any one of several small American cyprinodont fishes of the genus Fundulus and allied genera. They live equally well in fresh and brackish water, or even in the sea. They are usually striped or barred with black. Synonym: minnow, and brook fish. Source: Websters Dictionary (21 Jun 2000) |
| killigrew | <zoology> The Cornish chough. Source: Websters Dictionary (01 Mar 1998) |
| killock | A small anchor; also, a kind of anchor formed by a stone inclosed by pieces of wood fastened together. Alternative forms: killick. Source: Websters Dictionary (01 Mar 1998) |
| kilo | <prefix> A prefix used in the SI and metric systems to signify 1000 times the following unit. For example, a kiloampere is 1000 amperes. Origin: French fr. G. Chilioi, one thousand (05 Mar 2000) |
| kilobase | <molecular biology, unit> Unit of length for DNA fragments equal to 1000 nucleotides. Abbreviation: kb (09 Oct 1997) |
| kilocalorie | The quantity of energy required to raise the temperature of 1 kg of water 1캜, more precisely from 14.5 |
| kilocycle | One thousand cycles per second. (05 Mar 2000) |
| kilogram | <unit> The SI unit of mass, 1000 g; equivalent to 15,432.358 gr, 2.2046226 lb. Avoirdupois, or 2.6792289 lb. Troy. Abbreviation: kg (05 Mar 2000) |
| kilogram calorie | The quantity of energy required to raise the temperature of 1 kg of water 1캜, more precisely from 14.5 |
| kilogram-meter | <unit> A measure of energy or work done, being the amount expended in raising one kilogram through the height of one meter, in the latitude of Paris. Source: Websters Dictionary (01 Mar 1998) |
| kilohertz | <unit> A unit of frequency equal to 103 hertz. (05 Mar 2000) |