| maedi | A chronic, progressive, contagious interstitial pneumonitis of sheep in Europe and the U.S. Caused by a "slow virus" (family Lentiviridae); it is now believed that maedi and visna are two histopathological and clinical manifestations of the same viral infection. Synonym: ovine progressive pneumonia. Origin: Icelandic, dyspnea (05 Mar 2000) |
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| maedi virus | A retrovirus (subfamily Lentivirinae) that is the cause of maedi; it is very similar to the visna virus Synonym: medi virus, progressive pneumonia virus. (05 Mar 2000) |
| maenad | 1. A Bacchante; a priestess or votary of Bacchus. 2. A frantic or frenzied woman. Origin: L. Maenas, -adis, Gr, fr. To rave. Source: Websters Dictionary (01 Mar 1998) |
| maestricht monitor | <paleontology> The Mosasaurus Hofmanni. See Mosasaurus. Origin: So called from Maestricht, a town in Holland. Source: Websters Dictionary (01 Mar 1998) |