Etymology Learned borrowing from Latin mūrīnus (“mouselike”).
1
Of, pertaining to, or characteristic of a mouse.
They had watched, paralysed, as, squeaking with terror, her small murine body was ripped to pieces, Tilly yipping gleefully with excitement all the while.2023, Kate Atkinson, “Existential Marginalisation”, in Normal Rules Don’t Apply, Penguin (2024), page 133:
2
More generally, of, pertaining to, or characteristic of any rodent up to the taxonomic rank of Muroidea, most often with reference to mice and rats of the subfamily Murinae.
1977, Richard Peto⁽ᵂᴾ⁾ Are our stem cells really, then, a billion or a trillion times more "cancerproof" than murine stem cells?
One of the first examples of the immunogenicity of recombinantly derived antibodies was with murine anti-CD3 monoclonal antibody (OKT3) used in the induction of immunosupression after organ transplantation.2002, Gilbert S. Banker, Christopher T. Rhodes, Modern Pharmaceutics, 4th edition, Informa Health Care, →ISBN, page 699: