rhesus
Học thuậtThân thiện
Definition
Noun: 1. A type of macaque monkey: A rhesus is a small, brownish-gray monkey (Macaca mulatta) native to southern and southeastern Asia. It is widely used in biological and medical research.
Usage
- The rhesus is one of the best-known species of Old World monkeys.
- Scientists have learned a great deal about human physiology from studies involving the rhesus.
- The rhesus factor, an important blood antigen, was first discovered in this species of monkey.
Advanced Usage
- Rhesus factor (Rh factor): A protein found on the surface of red blood cells. A person's blood type is classified as Rh positive or Rh negative based on the presence or absence of this antigen, which was first identified in rhesus monkeys.
- Example: The mother's Rh-negative blood was incompatible with the fetus's Rh-positive blood.
Variants and Related Words
- Rhesus macaque: The full common name for the species.
- Rh factor (noun): The blood group antigen named after the rhesus monkey.
Synonyms
- Rhesus macaque
- Macaca mulatta (scientific name)
Noun
- of southern Asia; used in medical research