Rhesus

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

Rhesus

1. (medicine, attributive, also without cap.) Denotes a system for categorising human blood types based on the presence or absence of various antigens, especially Rhesus factor D.

   Synonym: Rh (abbreviation)

• Rhesus factor
• Rhesus negative
• Rhesus positive
• Rhesus system

• Husers, Husser, Suresh, Ushers, rushes, ushers

From Ancient Greek Ῥῆσος (Rhêsos).

• (Classical) IPA^(key): /ˈreː.sus/, [ˈreːs̠ʊs̠]
• (Ecclesiastical) IPA^(key): /ˈre.sus/, [ˈrɛːs̬us]

Rhēsus m sg (genitive Rhēsī); second declension

1. (Greek mythology) A mythological king of Thrace killed by Diomede and Ulysses
2. A river in Troas

Second-declension noun, singular only.

• “Rhesus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• Rhesus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette