hyper-, hyp-

1. The overproduction of thyroid hormones at dangerously high levels.
2. The condition in which basal metabolism increases as a result of over activity of the thyroid gland.

It affects women far more frequently than men, with peak incidence between 30 and 50 years of age.

1. Increased rigidity, tension, and spasticity of the muscles.
2. The condition (in muscle or muscular tissue) of being hypertonic.
3. A condition of excessive tone of the skeletal muscles; increased resistance of muscle to passive stretching.

1. Having an extreme muscular or arterial tension; spastic.
2. Having a higher osmotic pressure of two solutions.

Excessive or extreme toxicity or an abnormal degree to which something is poisonous.

A person who treats unsightly facial hair.

An abnormal dislike of excessive hair on the body: Joe, suffering from hypertrichophobia, was oversensitive about the growth of whiskers on his face and the growth of such threadlike structures on his chest and back, so he shaved twice a day and had the other growths removed regularly!

An excessive growth of the eyebrows or having excessively hairy eyebrows.

1. Generalizes excessive growth of hair where hair normally grows.
2. The superfluous presence of hair.
3. Excessive growth of the hair; also called polytrichia and polytrichosis.

Here is a special article about the X-ray treatment of hypertrichosis.

1. A medical condition referring to excessive body hair, either affecting most of the torso and limbs, or localized to an area of skin; such as the face and neck also called "werewolf syndrome" or "human-werewolf syndrome".
2. The growth of hair in any pattern which is excessive for the age, sex, and the race of the subject or person.

A microorganism that requires living cells to supply the enzyme systems necessary for growth and reproduction.

1. Usually an abnormal enlargement of an organ or body part because of an increase in cell size rather than cell numbers.
2. General increase in bulk of a part or organ, not due to tumor formation.

Use of the term may be restricted to denote greater bulk through increase in size, but not in number, of the individual tissue element; such as, the enlargement of muscles as a result of exercise.

Abnormally vascular; containing an excessive number of blood vessels.

To breathe unusually deeply or rapidly because of anxiety or of an organic disease and in excess of the body's requirements, causing too much loss of carbon dioxide: Janet started to hyperventilate because she was suddenly under stress.