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Definition of Rh
1. Noun. A blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia.
2. Noun. A white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum.
3. Noun. Any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone.
Exact synonyms: Hypothalamic Releasing Factor, Hypothalamic Releasing Hormone, Releasing Factor, Releasing Hormone
Generic synonyms: Endocrine, Hormone, Internal Secretion
Generic synonyms: Endocrine, Hormone, Internal Secretion
Definition of Rh
1. Initialism. Review Hearing ¹
2. Initialism. (US army)(aviation) prefix code for reconnaissance helicopter designations ¹
3. Initialism. relative humidity ¹
4. Initialism. (medicine) The Rhesus factor. ¹
¹ Source: wiktionary.com
Medical Definition of Rh
1. A blood group system and one of the most complex. A person can be said to be rh-positive or rh-negative. Rh stands for rhesus monkeys. (12 Dec 1998)