rh

Noun
  1. is a type of: antigen - any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
    same as: rh factor, rhesus factor
  2. is a type 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.
    same as: atomic number 45, rhodium
  3. is a type 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
    same as: hypothalamic releasing factor, hypothalamic releasing hormone, releasing factor, releasing hormone

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