| umbra |
The darker core of a shadow, usually cone shaped, and surrounded by a lighter penumbral shadow. Also refers to the darker center of sunspots. (Back To Top) W
출처: home.hiwaay.net/~krcool/Astro/moon/moonpedia/
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| umbilical cord |
Two arteries and one vein encased in a gelatinous tube leading from the baby to the placenta. Used to exchange nutrients and oxygen from the mother for waste products from the baby.
출처: www.conceptfert.com.au/glossu.htm
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| umbilical hernia |
A weakness in the muscle that lines the abdomen. This type of hernia causes part of the internal organs
출처: www.maroteaux-lamy.com/pc/about/Glossary.asp
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| umbo |
The raised, knob-like section of some clam and mussel shells
출처: www.people.virginia.edu/~sos-iwla/Stream-Study/Str...
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| umbilical cord |
Attached to the placenta and baby, it contains arteries and veins that carry blood to and from the baby. It is covered with clear gleatinous material called wharton's jelly.
출처: www.babybag.com/articles/cbterms.htm
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