| lock step | A mode of marching by a body of men going one after another as closely as possible, in which the leg of each moves at the same time with the corresponding leg of the person before him. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| lock-and-key model | A model used to suggest the mode of operation of an enzyme in which the substrate fits into the active site of the protein like a key into a lock. (05 Mar 2000) |
| Locke | Frank S., British physiologist, 1871-1949. See: Locke's solutions, Locke-Ringer solution. (05 Mar 2000) |
| Locke's solutions | Solution's containing, in varying amounts, NaCl, CaCl2, KCl, NaHCO3, and d-glucose; used for irrigating mammalian heart and other tissues, in laboratory experiments; also used in combination with naturally occurring body substances (e.g., blood serum, tissue extracts) and/or more complex chemically defined nutritive solution's for culturing animal cells. (05 Mar 2000) |
| Locke-Ringer solution | A solution containing NaCl, CaCl2, KCl, MgCl2, NaHCO3, d-glucose, and water; used in the laboratory for physiological and pharmacological experiments. (05 Mar 2000) |
| locked bite | An occlusion in which the cusp arrangement restricts lateral excursions. (05 Mar 2000) |
| locked facets | Complete dislocation of one or both articular processes, usually with overriding of the inferior articular process of the vertebra above into a position anterior to the superior articular process of the vertebra below. Synonym: locked facets. (05 Mar 2000) |
| locked knee | A condition in which the knee lacks full extension and flexion because of internal derangement, usually the result of a torn medial meniscus. (05 Mar 2000) |
| locked-in syndrome | <syndrome> Basis pontis infarct resulting in tetraplegia, horizontal ophthalmoplegia, dysphagia, and facial diplegia with preserved consciousness; caused by basilar artery occlusion. Synonym: pseudocoma. (05 Mar 2000) |
| locken | <botany> The globeflower (Trollius). Source: Websters Dictionary (01 Mar 1998) |
| lockjaw | An infection caused by the micro-organism Clostridium tetani. Symptoms include muscular rigidity, contractions and pain with stiffness in the jaw muscles. (27 Sep 1997) |
| Lockwood's ligament | A thickening of the inferior part of the bulbar sheath which supports the eye within the orbit; it extends between the lateral and medial orbital margins and includes the medial and lateral check ligament's. Synonym: Lockwood's ligament. (05 Mar 2000) |
| Lockwood, Charles | <person> English anatomist and surgeon, 1858-1914. See: Lockwood's ligament. (05 Mar 2000) |
| LOCM | <abbreviation> Low osmolar contrast medium. (05 Mar 2000) |
| loco | <botany> A plant (Astragalus Hornii) growing in the Southwestern United States, which is said to poison horses and cattle, first making them insane. The name is also given vaguely to several other species of the same genus. Synonym: loco weed. Origin: Sp. Loco insane. Source: Websters Dictionary (01 Mar 1998) |