Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «H»:
Hard measles: An acute highly contagious viral disease with
fever, runny nose, cough, red eyes, and a spreading skin
rash. The eight-day measles is the ordinary measles, also
known as rubeola, a potentially disastrous disease. Measles
may be complicated by ear infections, pneumonia,
Hard palate: The bony part of the roof of the mouth.
The hard palate is the front of the palate and is in front of the soft palate....
Hardy, James D.
Hardy, James D.: Pioneering American transplant surgeon responsible for three epochal operations: the first human lung transplant in 1963, the first animal-to-human heart transplant in 1964, and a double-lung transplant that left the heart in place, in 1987. The 1964 transplant of a chimpanzee heart...
Hardy-Weinberg law: Basic concept
in population genetics discovered independently in 1908 by
the great English mathematician G(odfrey) H(arold) Hardy
and Wilhelm Weinberg, a physician in Germany. The Hardy-
Weinberg law is a cornerstone of clinical genetics. (In
technical terms, the Hardy-Weinb...
Hashimoto disease: See: Hashimoto thyroiditis....
Hashimoto thyroiditis: A progressive disease of the thyroid gland characterized by the presence of antibodies directed against the thyroid, and by infiltration of the thyroid gland by lymphocytes. Hashimoto thyroiditis is the most common cause of hypothyroidism in North America and Europe. In this...
HAV: Hepatitis A virus....
HAVRIX: A vaccine against hepatitis A made of killed
hepatitis A virus to stimulate the body's immune system to produce antibodies against
the hepatitis A virus....
HAVS: Hand-arm vibration syndrome....
Hay fever: A seasonal allergy to airborne particles characterized by itchy eyes, runny nose, nasal congestion, sneezing, itchy throat, and excess mucus.
Hay fever is a misnomer because it is not caused by hay and it
does not produce a fever. It is also known as allergic rhinitis or pollinosis....
Hayfever: Hay fever is, always has been, and ever
shall be two separate words. See: Hay fever....
Hb (hemoglobin): Hb is the standard abbreviation for
hemoglobin, the oxygen-carrying protein pigment in the blood,
specifically in the red blood cells.
In the very common laboratory test for hemoglobin (Hb), it is
measured as total hemoglobin and the result is expressed as the
amount of hemoglo...
HBIG: Hepatitis B immune globulin, which contains
antibodies to hepatitis B virus and offers prompt but short lived protection....
HBV: Hepatitis B virus. A virus which primarily causes inflammation of the liver. The hepatitis B virus can be transmitted in several ways including blood transfusion, needle sticks, body piercing and tattooing using unsterile instruments, dialysis, sexual and even less intimate close contact, and c...
HCFA: The Health Care Finance Administration, the part of the U.S.
Department of Health and Human Services (HHS) that is responsible for administering
Medicare and Medicaid. See: Medicare. Also see: Medicaid....