| SPI | Spitz |
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| Spitz | 20th century U.S. Pathologist. See: Spitz nevus. (05 Mar 2000) |
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| spitz dog | <zoology> A breed of dogs having erect ears and long silky hair, usually white. Synonym: Pomeranian dog, and louploup. Origin: G. Spitz, spitzhund. Source: Websters Dictionary (01 Mar 1998) |
| Spitz nevus | A benign, slightly pigmented or red superficial small skin tumour composed of spindle-shaped, epithelioid, and multinucleated cells that may appear atypical; most common in children, but also appearing in adults. Synonym: benign juvenile melanoma, epithelioid cell nevus, spindle cell nevus. (05 Mar 2000) |
| Spitzer's theory | An interpretation of the partitioning of the heart of mammalian embryos primarily on the basis of recapitulations of the adult structural pattern of lower forms; most frequently cited in relation to the partitioning of the truncus arteriosus to form ascending aorta and pulmonary trunk, which is achieved by the phylogenetic development of the lungs. (05 Mar 2000) |
| Spitzer, Alexander | <person> Austrian anatomist, 1868-1943. See: Spitzer's theory. (05 Mar 2000) |
| Spitzka's marginal tract | A longitudinal bundle of thin, unmyelinated and poorly myelinated fibres capping the apex of the posterior horn of the spinal gray matter, composed of posterior root fibres and short association fibres that interconnect neighboring segments of the posterior horn. Synonym: fasciculus dorsolateralis, tractus dorsolateralis, dorsolateral tract, fasciculus marginalis, Lissauer's bundle, Lissauer's column, Lissauer's fasciculus, Lissauer's marginal zone, Lissauer's tract, marginal fasciculus, Spitzka's marginal tract, Spitzka's marginal zone, Waldeyer's tract, Waldeyer's zonal layer. (05 Mar 2000) |
| Spitzka's marginal zone | A longitudinal bundle of thin, unmyelinated and poorly myelinated fibres capping the apex of the posterior horn of the spinal gray matter, composed of posterior root fibres and short association fibres that interconnect neighboring segments of the posterior horn. Synonym: fasciculus dorsolateralis, tractus dorsolateralis, dorsolateral tract, fasciculus marginalis, Lissauer's bundle, Lissauer's column, Lissauer's fasciculus, Lissauer's marginal zone, Lissauer's tract, marginal fasciculus, Spitzka's marginal tract, Spitzka's marginal zone, Waldeyer's tract, Waldeyer's zonal layer. (05 Mar 2000) |
| Spitzka's nucleus | A small cell group located between the somatic cell columns of the oculomotor nuclei. Since it is placed between the groups of motor neurons innervating, respectively, the left and right medial rectus muscles, the nucleus is considered to possibly represent an integrating mechanism for ocular convergence. Synonym: convergence nucleus of Perlia, Spitzka's nucleus. (05 Mar 2000) |
| Spitzka, Edward | <person> U.S. Neurologist, 1852-1914. See: Spitzka's nucleus, Spitzka's marginal tract, Spitzka's marginal zone, column of Spitzka-Lissauer. (05 Mar 2000) |
| Spitz n. |
spindle and epithelioid cell n.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Spitz nevus |
spindle and epithelioid cell nevus.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Spitzer's t. |
the formation of the septa in the heart are teleologically conditioned, phylogenetically brought about, and mechanically achieved by the appearance and development of the lungs through phylogeny.
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| Spitzka's n. |
Perlia's n.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Spitzka's nucleus, tract |
see Perlia's nucleus, under nucleus, and see tractus posterolateralis.
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| Spitz | any of various stocky heavy-coated breeds of dogs native to northern regions having pointed muzzles and erect ears with a curled furry tail |
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| Spitz | islands in the Svalbard archipelago east of northern Greenland |
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