rhesus

Meanings

1. 1
   noun

   of southern Asia

2. 2
   noun

   A macaque monkey native to southern and southeastern Asia; Macaca mulatta.

3. 3
   noun

   Denotes a system for categorising human blood types based on the presence or absence of various antigens, especially Rhesus factor D.

So named because the first identified antigen (RhD) was originally believed to be the same as one discovered in rhesus macaques.

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