| yellow fever virus |
a mosquito-borne species of the genus Flavivirus that causes yellow fever in Central and South America and Africa.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| yawn |
A yawn is a reflex of deep inhalation and exhalation associated with being tired, with a need to sleep, or from boredom. The word "yawn" has evolved from the Middle English word yanen, an alteration of yonen, or yenen, which in turn comes from the Old English geonian. Yawning is a powerful non-verbal message with several possible meanings, depending on the circumstances: # An indication of tiredness, stress, over-work or boredom. ...
출처: en.wikipedia.org/wiki/Yawn
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| yawning |
A yawn is a reflex of deep inhalation and exhalation associated with being tired, with a need to sleep, or from boredom. The word "yawn" has evolved from the Middle English word yanen, an alteration of yonen, or yenen, which in turn comes from the Old English geonian. Yawning is a powerful non-verbal message with several possible meanings, depending on the circumstances: # An indication of tiredness, stress, over-work or boredom. ...
출처: en.wikipedia.org/wiki/Yawning
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| yellow marrow |
Bone marrow is the tissue comprising the center of large bones. It is the place where new blood cells are produced. Bone marrow contains two types of stem cells: hemopoietic (which can produce blood cells) and stromal (which can produce fat, cartilage and bone). Stromal stem cells have the capability to differentiate into many kinds of tissues, such as nervous tissue. ...
출처: en.wikipedia.org/wiki/Yellow_marrow
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| Yersinia pestis |
Yersinia pestis is a species of rod-shaped bacterium, belonging to the family Enterobacteriaceae. It is the infectious agent of bubonic plague, and can also cause pneumonic plague and septicemic plague. ...
출처: en.wikipedia.org/wiki/Yersinia_pestis
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