| superior vena cava |
a developmental anomaly in which the left superior vena cava persists into postnatal life, usually draining into the left atrium; it is due to failure of the upper part of the left anterior cardinal vein to become obliterated. It may be an isolated anomaly or accompany other cardiovascular defects, such as tetralogy of Fallot.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| superior part of rhomboid fossa |
the triangular rostral portion of the rhomboid fossa, continuous at its apex with the wall of the cerebral aqueduct and terminating at an imaginary line drawn between the superior foveae.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| supertraction conus |
a gray or yellowish ring on the nasal side of the optic papilla sometimes seen with the ophthalmoscope, especially in myopic eyes.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| supervoltage radiotherapy |
radiotherapy in which the radiation has voltage between 400 and 1000 KV.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| superclass |
Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. Modern classification has its roots in the system of Carolus Linnaeus, who grouped species according to shared physical characteristics. These groupings have been revised since Linnaeus to improve consistency with the Darwinian principle of common descent. ...
출처: en.wikipedia.org/wiki/Superclass_(biology)
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