Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «Y»:
YAMA: See: Caspase 3....
Yard: In length, 3 feet or 36
inches or, metrically, 91.44 centimeters. The yard, along with
the foot and inch, are English creations to which the USA has
stubbornly clung. The yard was originally a unit of measurement
of land and was about 5 meters (now termed a rod). In the
century, the yard...
Yawn: Involuntary opening of the
mouth, often caused by suggestion. Yawning is characterized by breathing first inward, then outward.
Repeated yawning is often a sign of drowsiness. It may also sometimes be a sign of depression....
Yawning: Involuntary opening of the mouth with respiration, breathing first inward, then outward. Yawning is often caused by the power of suggestion. Repeated yawning may be a sign of drowsiness. It can also sometimes be a sign of depression....
Yaws: A common chronic
infectious disease that occurs mainly in the warm humid regions of the tropics
with characteristic bumps on the skin of the face, hands, feet and genital area. Almost
all cases of yaws are in children under 15 years of
The organism that causes yaws is a spirochete. ...
yd.: Abbreviation for a yard as a measure of length.
A yard equals 3 feet or 36 inches. The metric equivalents for these
measures of length are:
A yard = 0.9144 meter.
A foot = 30.48 centimeters.
An inch = 2.54 centimeters....
Yeast: A group of single-celled fungi that reproduce
Most yeast are harmless (some are used in baking and brewing).
Yeast is commonly present on normal human skin and in areas of
moisture, such as the mouth and vagina, usually without causing any problems.
However, yeast can produce...
Yeast artificial chromosome (YAC)
Yeast artificial chromosome
created and used in the laboratory to clone pieces of DNA.
A YAC is constructed from the telomeric, centromeric,
and replication origin sequences needed for replication in yeast
cells. (The telomere is the end of the chromosome; the centro...
Yeast diaper rash
Yeast diaper rash: Infection in the diaper area caused by a yeast formerly called Monilia and now called Candida. These organisms are part of the germs normally found in various parts of the body and ordinarily do not cause any symptoms.
Certain conditions, such as antibiotic use or excessive moistu...
Yeast genome: All of the genetic information contained in yeast (Saccharomyces cerevisiae).
The genomes of particular nonhuman organisms such as yeast have been studied for a number of reasons including the need to improve sequencing and analysis
techniques. These nonhuman genomes also provide pow...
Yeast infection: Overgrowth of yeast can affect
the skin (yeast rash), mouth (thrush), digestive tract,
esophagus, vagina (vaginitis), and other parts of the body.
Yeast infections occur most frequently in moist areas of
the body. Although Candida albicans and other Candida
yeasts are the most ...
Yeast rash: A slightly raised pink-to-red rash
caused by proliferation of yeast, usually in a moist area
such as the groin. It is most common in infants, but can
also occur on the skin of older children and adults.
Treatment is by keeping the affected area clean and dry,
and applying topical an...
Yeast syndrome: The yeast
Candida has been thought to cause a syndrome with a number of
nonspecific problems including fatigue, loss of appetite,
headache, short-attention span, depression and all manner of
intestinal irregularities. There is no scientific evidence to
support the existence of the ye...
Yeast vaginitis: Infection of the vagina by a fungus known as Candida, characteristically causing itching, burning, soreness, pain during intercourse and urination, and vaginal discharge.
Yeast vaginitis occurs when new yeast are introduced into the vagina or there is an increase in the quantity of ...
Yeast vulvitis: A yeast infection of the external genital organs of the female (the vulva). The vulva includes the labia, clitoris, and the entrance (the "vestibule") to the vagina.
Yeast vulvitis commonly goes together with yeast vaginitis, infection of the vagina by the fungus known as Candida.