| Walker tractotomy | A mesencephalic spinothalamic tractotomy. (05 Mar 2000) |
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| anterolateral tractotomy | Division of the anterolateral quadrant of the spinal cord to section the spinothalamic tract. Synonym: anterolateral tractotomy, spinal tractotomy, spinothalamic cordotomy. (05 Mar 2000) |
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| Schwartz tractotomy | A medullary spinothalamic tractotomy. (05 Mar 2000) |
| pyramidal tractotomy | May be mesencephalic (pedunculotomy or crusotomy), medullary (medullary pyramidotomy), or spinal (spinal pyramidotomy). (05 Mar 2000) |
| Sjoqvist tractotomy | Division of the descending fibres of the trigeminal tract in the medulla. Synonym: intramedullary tractotomy, Sjoqvist tractotomy. (05 Mar 2000) |
| spinal tractotomy | Division of the anterolateral quadrant of the spinal cord to section the spinothalamic tract. Synonym: anterolateral tractotomy, spinal tractotomy, spinothalamic cordotomy. (05 Mar 2000) |
| spinothalamic tractotomy | May be spinal (cordotomy), medullary (Schwartz tractotomy), or mesencephalic (Walker tractotomy). (05 Mar 2000) |
| intramedullary tractotomy | Division of the descending fibres of the trigeminal tract in the medulla. Synonym: intramedullary tractotomy, Sjoqvist tractotomy. (05 Mar 2000) |
| tractotomy | Interruption of a nerve tract in the brainstem or spinal cord. Origin: L. Tractus, tract, + G. Tome, incision (05 Mar 2000) |
| trigeminal tractotomy | Division of the descending fibres of the trigeminal tract in the medulla. Synonym: intramedullary tractotomy, Sjoqvist tractotomy. (05 Mar 2000) |
| carcinoma 256, walker | A transplantable carcinoma of the rat that originally appeared spontaneously in the mammary gland of a pregnant albino rat, and which now resembles a carcinoma in young transplants and a sarcoma in older transplants. (12 Dec 1998) |
| Rideal-Walker coefficient | A figure expressing the disinfecting power of any substance; it is obtained by dividing the figure indicating the degree of dilution of the disinfectant that kills a microorganism in a given time by that indicating the degree of dilution of phenol which kills the organism in the same space of time under similar conditions. Synonym: hygienic laboratory coefficient, phenol coefficient. (05 Mar 2000) |
| Rideal-Walker method | A figure expressing the disinfecting power of any substance; it is obtained by dividing the figure indicating the degree of dilution of the disinfectant that kills a microorganism in a given time by that indicating the degree of dilution of phenol which kills the organism in the same space of time under similar conditions. Synonym: hygienic laboratory coefficient, phenol coefficient. (05 Mar 2000) |
| walker | 1. One who walks; a pedestrian. 2. That with which one walks; a foot. "Lame Mulciber, his walkers quite misgrown." (Chapman) 3. A forest officer appointed to walk over a certain space for inspection; a forester. 4. [AS. Wealcere. See Walk, 3] A fuller of cloth. "She cursed the weaver and the walker The cloth that had wrought." (Percy's Reliques) 5. <zoology> Any ambulatorial orthopterous insect, as a stick insect. Source: Websters Dictionary (01 Mar 1998) |
| Walker, A Earl | <person> U.S. Neurologist, *1907. See: Walker tractotomy, Dandy-Walker syndrome. (05 Mar 2000) |
| Walker carcinoma | <tumour> A transplantable carcinosarcoma of the rat that originally appeared spontaneously in the mammary gland of a pregnant albino rat, and which now resembles a carcinoma in young transplants and a sarcoma in older transplants. Synonym: Walker carcinoma. (05 Mar 2000) |