411 REFERENCE · Wiktionary
Lewis rat
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Bred by Margaret Lewis from Wistar stock in the early 1950s.
Noun
A kind of albino rat used in medical research, exhibiting docile behavior and low fertility, and suffering from high incidences of neoplasms and other pathology.
en eponyms
en Murids