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 to concentrate the urine and, consequently, excess urination leading potentially to dehydration. The urine is “insipid” (overly dilute).
- 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 […]
- Pityriasis rosea
A common mild rash of unknown origin that can appear on a person of any age (most commonly at 10-35 years of age). It may last from several weeks to a few months, often begins with a “herald” patch, a large single pink patch on the chest or back and, within a week or so, […]
Inflammation of the pharynx. Pharyngitis is a common cause of sore throat.
Having to do with the pharynx (throat).
- PKU, maternal
See Maternal phenylketonuria.