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RH
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
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
Synonyms:
hypothalamic releasing factor; hypothalamic releasing hormone; releasing factor; releasing hormone; RH
Classified under:
Hypernyms ("RH" is a kind of...):
endocrine; hormone; internal secretion (the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect)
Sense 2
Meaning:
A white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
Synonyms:
atomic number 45; Rh; rhodium
Classified under:
Hypernyms ("Rh" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Sense 3
Meaning:
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
Synonyms:
Rh; Rh factor; rhesus factor
Classified under:
Nouns denoting substances
Hypernyms ("Rh" is a kind of...):
antigen (any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies))
Context examples:
In men, LH-RH agonist causes testosterone levels to fall.
(Luteinizing hormone-releasing hormone agonist, NCI Dictionary)
In men, LH-RH agonists cause the testicles to stop making testosterone.
(LH-RH agonist, NCI Dictionary)
