monkey gland
/ˈmʌŋkɪ ɡland/noun
A testicle from a monkey or ape used as a possible means of rejuvenation, either by being grafted on to a man, or by the injection of an extract. Frequently in plural Also attributive ( allusively ).
- Before the use of monkey testicles was popularized by Serge Voronoff (1866–1951) in books such as Rejuvenation by Grafting (1925) and The Study of Old Age & My Method of Rejuvenation (1926), the technique of organotherapy had been practised in the 19th cent. using guinea-pig and dog testicles..
Origin
Early 20th century. From monkey + gland.