Medical Definition of Xenopsylla

1. The rat flea; a genus of fleas parasitic on the rat and involved in the transmission of bubonic plague. The species Xenopsylla cheopis serves as a potent vector of Yersinia pestis, largely because its gut becomes "blocked" by a mass of Y. Pestis cells which prevents the flea from feeding normally, so that it is inclined to attack man and other hosts; it is an important source of infection in traditional epidemic areas such as India. Xenopsylla astia and Xenopsylla braziliensis are also efficient vectors of plague. Origin: xeno-+ G. Psylla, flea (05 Mar 2000)

Lexicographical Neighbors of Xenopsylla

Xenophanes
xenophile
xenophiles
xenophobe
xenophobes
xenophobia
xenophobia
xenophobias
xenophobic
xenophobically
Xenophon
xenophonia
xenophthalmia
xenophya
Xenopodidae
Xenopsylla (current term)
xenopterygii
Xenopus
Xenopus
xenopuses
xenopus laevis
Xenopus laevis
Xenorhyncus
Xenorhyncus asiaticus
Xenosauridae
Xenosaurus
xenosome
xenotime
xenotime
xenotimes

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