| primitive aorta |
primordial aorta, either of two main vascular trunks before fusion into a single aorta in the early embryo.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| primitive circulation |
primordial circulation, the earliest circulation by which nutriment and oxygen are conveyed to the embryo; called also first c.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| primordial cyst |
a relatively uncommon type of odontogenic cyst that develops through cystic degeneration and liquefaction of the stellate reticulum in an enamel organ before any calcified enamel or dentin has been formed. Such cysts originate from supernumerary teeth, and are found in place of a tooth rather than being associated with one.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| primary cataract |
a cataract developing independently of any other disease.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| primary tuberculosis |
pulmonary tuberculosis when a person is first infected; it is often asymptomatic, with simply a positive result on a tuberculin test. In children there may be exudation (see exudative t.), with the primary complex consisting of a parenchymal pulmonary lesion and a corresponding lymph node focus. Formerly called childhood t.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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