Hardy-Weinberg law
A basic concept in population genetics that relates the gene frequency to the genotype frequency. The Hardy-Weinberg law can be used, for example, to determine allele frequency and heterozygote frequency when the incidence of a genetic disorder is known.
Read Also:
- Hashimoto disease
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 (white blood cells activated by the immune system). Hashimoto disease is the most common cause of hypothyroidism in North America and Europe. In Hashimoto disease, the thyroid gland is […]
- 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 condition, the thyroid gland is usually enlarged (goiter) and has a decreased ability […]
- HAVRIX
A vaccine that is made from killed hepatitis A virus (HAV) and is intended to stimulate the body’s immune system to produce antibodies against HAV.
- 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.