411 REFERENCE · Wiktionary
Long-Evans rat
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Developed by Drs. Long and Evans in 1915 by crossing Wistar females with a wild gray male.
Noun
An outbred rat used in medical research, white with a black or brown hood.
en eponyms
en Murids