The rats, a genus of rodents, family Muridae. R. r., the black r., is the species most commonly responsible for transmitting plague to humans by means of the flea, Xenopsylla cheopis; it is smaller and darker than the Norwegian, sewer, or brown rat (R. norvegicus) and has longer ears and tail. See rat.

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Rat·tus 'rat-əs n a genus of rodents of the family Muridae that comprise the common rats and are distinguished from members of the closely related genus Mus by bevel-edged upper incisors and comparatively large second and third molars

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Rat·tus (ratґəs) a genus of small rodents, including several common species of rats (q.v.). R. norveґgicus is the brown rat and R. ratґtus is the black rat.

Medical dictionary. 2011.

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  • Rattus — Saltar a navegación, búsqueda Para otros usos de este término, véase Rata (desambiguación). ? Rata Rat …   Wikipedia Español

  • Rattus — Rattus …   Wikipédia en Français

  • Rattus — Rattus. См. крысы. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Rattus — Ratten Wanderratte (Rattus norvegicus) Systematik Ordnung: Nagetiere (Rodentia) …   Deutsch Wikipedia

  • Rattus — Rat …   Wikipédia en Français

  • Rattus — El nombre rata resigna a varias especies de roedores de mediano tamaño del género Rattus; algo más grandes que sus parientes cercanos los ratones, pueden alcanzar los 500 g de peso. Rattus Rattus Rattus norvegicus Rattus exulans Las tres especies …   Enciclopedia Universal

  • Rattus — noun common house rats; upper incisors have a beveled edge • Syn: ↑genus Rattus • Hypernyms: ↑mammal genus • Member Holonyms: ↑Muridae, ↑family Muridae • Member Meronyms: ↑ …   Useful english dictionary

  • Rattus — žiurkės statusas T sritis zoologija | vardynas taksono rangas gentis apibrėžtis Gentyje 68 rūšys. Paplitimo arealas – visuose žemynuose (išskyrus Antarktidą). atitikmenys: lot. Rattus angl. rats; typical rats vok. eigentliche Ratten; Ratten rus.… …   Žinduolių pavadinimų žodynas

  • Rattus — …   Википедия

  • rattus — rat·tus …   English syllables

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