Pituitary dwarfism
Dwarfism caused by a lack of growth hormone, usually due to malfunction of the pituitary gland. Children with growth hormone deficiency may grow normally for the first two to three years of life but they then fall behind their peers in height. They are normally proportioned. This is a key point. Treatment is with human growth hormone given in childhood. Also known as hypopituitary dwarfism, hypopituitarism, panhypopituitarism, and growth hormone deficiency.
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Excessive growth and too much height due to chronic overactivity of the pituitary gland which is located at the base of the brain. (Growth hormone is specifically made by the anterior pituitary gland.) In pituitary gigantism, there is secretion of too much growth hormone before the end of adolescence. People with pituitary gigantism can truly […]
- Pituitary gland
The main endocrine gland. It is a small structure in the head. It is called the master gland because it produces hormones that control other glands and many body functions including growth. The pituitary consists of the anterior and posterior pituitary. The anterior pituitary is the front portion of the pituitary. Hormones secreted by it […]
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The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by the anterior pituitary influence growth, sexual development, skin pigmentation, thyroid function, and adrenocortical function. These influences are exerted through the effects of pituitary hormones on other endocrine glands except for growth hormone which acts directly on […]
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The back portion of the pituitary, a small gland in the head called the master gland. The posterior pituitary secretes the hormone oxytocin which increases uterine contractions and antidiuretic hormone (ADH) which increases reabsorption of water by the tubules of the kidney. Underproduction of ADH results in a disorder called diabetes insipidus characterized by inability […]
- Pityriasis alba
A mild form of eczema that occurs in young children and adolescents and produces mild patchy lightening and slight scaling of the skin of the face (particularly over the cheeks and around the mouth), the shoulders, or trunk. The word “pityriasis” was used by the physician Hippocrates in ancient Greece to describe the scruffy appearance […]