Category: H

A condition caused by greatly reduced function of the parathyroid glands. A condition due to a decrease or absence of parathyroid hormones usually resulting in hypocalcemia and severe muscle spasms. Defective activity of the parathyroid glands. A condition in which the parathyroid glands do not secrete enough parathyroid hormone, leading to low blood calcium and…

A below normal concentration of gamma globulin in the blood associated with a decreased resistance to infection. Lower than normal concentration of gamma globulins (immunoglobulins) in the blood, associated with an increased risk of infection. It may be congenital and transient (as in some infants), congenital and permanent (as in some sex- linked immune disorders),…

A condition resulting from a deficiency in the secretions of the ovary or testis. Hormonal deprivation resulting in reduction or loss of sexual vigor and occurrence of certain negative emotional reactions, e.g., depression. Inadequate sperm production and/or androgen secretion. It may be a consequence of a hypothalamic disorder, pituitary failure, or testicular disease. Underactivity of…

Low calcium levels in the blood. An abnormally low concentration of calcium in the blood, hypercalcemia. Abnormally low level of calcium in the blood, due to hypoparathyroidism, vitamin D deficiency, kidney malfunction, or other disorder. Mild hypocalcemia produces few signs; severe cases lead to cardiac arrhythmias and tetany. The presence in the blood of an…

Refers to an excessive amount of blood in a part or area.  

Refers to the increased ability of any substance to coagulate, especially blood.  

Increased carbon dioxide levels in the blood. Excessive carbon dioxide in the blood. An unusually high concentration of carbon dioxide in the bloodstream. Excess carbon dioxide in the blood. Abnormally high level of carbon dioxide (CO2) in the arterial blood. The presence in the blood of an abnormally high concentration of carbon dioxide. An abnormal…

Abduction beyond normal limits. Excessive movement away from the midline.  

The membrane partially covering the entrance to the vagina. The membranous fold that may partially or completely close the opening of the vagina. A membrane which partially covers the vaginal passage in a female who has never had sexual intercourse. A thin piece of membrane that mostly covers the opening of the vagina, generally with…

A membrane that forms in the lung sacs of a developing fetus; a respiratory distress syndrome of the newborn.