Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «Y»:
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Yolk stalk
Yolk stalk: A narrow tube
present in the early
embryo that connects the midgut of the embryo to the yolk sac outside the embryo through
the umbilical opening. Later in development, the
yolk stalk is usually obliterated, but a remnant of it may persist:
most commonly as a finger-like protrusio...
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Youth
Youth:
The time between childhood and maturity. (Unfortunately, as the songwriter Sammy Cahn noted, "youth is wasted on the young.")...
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Youth violence
Youth violence: Violence
involving young persons, typically children, adolescents, and young adults
between the ages of 10 and 24. The young person can be the victim, the
perpetrator, or both. Youth violence includes aggressive behaviors such as verbal abuse, bullying, hitting, slapping, or fistf...
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Yttrium
Yttrium: A rare elemental metal. A radioactive form of yttrium is used in radiation therapy and some types of immunotherapy....
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Yttrium Y 90 ibritumomab tiuxetan
Yttrium Y 90 ibritumomab tiuxetan:
An anticancer drug that is a combination of the radioisotope yttrium-90 and a monoclonal antibody, a produced substances that can locate and bind to cancer cells. Also called IDEC-Y2B8 monoclonal antibody....
