murine

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1. Of or relating to a rodent of the family Muridae or subfamily Murinae, including rats and mice.
2. Caused, transmitted, or affected by such a rodent: a murine plague.

A murine rodent.

[Latin mūrīnus, of mice, from mūs, mūr-, mouse.]

Of, relating to, or transmitted by a member of the rodent family Muridae, including rats and mice.

Pertaining to or affecting mice or rats. Strictly speaking refers to members of the subfamily Murinae, the Old World rats and mice. See also mouse.

• chronic m. pneumonia — see murine respiratory mycoplasmosis (above).
• chronic m. respiratory disease — see murine respiratory mycoplasmosis.
• m. epizootic diarrhea — occurs in young mice up to 3 weeks of age. Caused by a rotavirus and characterized by mucoid yellow diarrhea, a high morbidity but a low mortality. Called also epizootic diarrhea of infant mice (EDIM).
• m. leukemia virus — a number of viruses in the family Retroviridae which are associated with the naturally occurring and experimentally induced leukemia or lymphosarcoma in mice.
• m. respiratory mycoplasmosis — a disease of mice caused by Mycoplasma pulmonis and characterized by dyspnea, nasal discharge, head tilt and incoordination. In most mice, infection occurs without clinical signs. Called also chronic respiratory disease of rats and mice, chronic murine pneumonia.
• m. typhus — a disease of rats caused by Rickettsia typhi, transmitted by the rat flea Xenopsylla cheopis and the rat louse Polyplax spinulosa. It is an important disease of humans.

The noun has one meaning:

Meaning #1: a rodent that is a member of the family Muridae

The adjective murine has one meaning:

Meaning #1: of or relating to or transmitted by a member of the family Muridae (rats and mice)
  Pertains to noun: family Muridae (meaning #1)