Hyoglossus
The muscle that permits the tongue to be held on the floor of the mouth.
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- Hyper-
Prefix meaning high, beyond, excessive, or above normal, as in hyperglycemia (high sugar in the blood) and hypercalcemia (high calcium in the blood). The opposite of hyper- is hypo-.
- Hyper-IgD syndrome
A genetic disorder characterized by recurring attacks of chills and fever that usually start before the first birthday and last for 4 to 6 days, usually accompanied by swollen glands in the neck and abdominal pain with vomiting or diarrhea. Other symptoms may include headache, joint pain (arthralgia), arthritis of the large joints, and reddish […]
- Hyperactivity
A higher than normal level of activity. An organ can be described as hyperactive if it is more active than usual. Behavior can also be hyperactive. People who are hyperactive always seem to be in motion. They can’t sit still; they may dash around or talk incessantly. Sitting still through a lesson can be an […]
- Hyperadrenocorticism
Excess hormone called “cortisol”. Often called Cushing’s syndrome, it is an extremely complex condition that involves many areas of the body. It results from an excess of cortisol and its effects on the human body. Common symptoms are thinning of the skin, weakness, weight gain, bruising, hypertension, diabetes, weak bones (osteoporosis), facial puffiness, and in […]
- Hyperaldosteronism
Overproduction of the hormone aldosterone from the outer portion (cortex) of the adrenal gland or a tumor containing that type of tissue. Excess aldosterone (pronounced al-do-ster-one) results in low potassium levels (hypokalemia), underacidity of the body (alkalosis), muscle weakness, excess thirst (polydipsia), excess urination (polyuria), and high blood pressure (hypertension). Also called aldosteronism and Conn’s […]