from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. babesia; a genre of hematozoa that invades the red blood cells of humans and domesticated animals such as dogs and sheep

from The Century Dictionary and Cyclopedia

  • n. A genus of sporozoans, of the order Hæmosporidia. P. bigeminum is the parasite which causes Texas cattle-fever and is transmitted by the bites of ticks. Also Pyrosoma.
  • n. [pl. piroplasmata (-ma-tä).] A protozoan of this genus.


From Latin pirum ("pear") + Ancient Greek πλάσμα (plasma, "image, formation") (Wiktionary)


  • In 1901, I described Piroplasma equi and in 1903, the bacilliform piroplasma of the Bovidae from preparations which had been sent to me by Mr. Theiler, a

    Alphonse Laveran - Nobel Lecture

  • Of the representatives of this group, causing disease in animals, are the trypanosomes, which are the causative factors of dourine and surra, and the piroplasma, which induce Texas fever in cattle and malaria or biliary fever of horses.

    Special Report on Diseases of the Horse

  • a fine Pasteur filter, thus eliminating all the visible forms of organismal life, including bacteria, trypanosoma, piroplasma, etc.

    Special Report on Diseases of the Horse


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