(n.) An insect belonging to the genus Pulex, of the order Aphaniptera. Fleas are destitute of wings, but have the power of leaping energetically. The bite is poisonous to most persons. The human flea (Pulex irritans), abundant in Europe, is rare in America, where the dog flea (P. canis) takes its place. See Aphaniptera, and Dog flea. See Illustration in Appendix.
Example Sentences:
(1) The combined immediate and delayed responses to fleas in the dog are as observed by other investigators in man and guinea pigs.
(2) Repellent effect of the Mannich bases (methoxyphenol derivatives) on Aedes aegypti mosquitoes and Xenopsylla cheopis fleas was revealed under laboratory and field conditions.
(3) Rats were caught, and they and their fleas were identified.
(4) Efficacy of polyvinyl chloride collars containing temephos [0,0'-(thiodi-4,1-phenylene) 0,0,0',0'-tetramethyl bis-(phosphorothioate)] was elevaluated in dogs and cats against the cat flea (Ctenocephalides felis).
(5) Thus, has been shown a leading role of transmission of plague microbe by fleas in the maintenance of natural nidality of this zoonosis.
(6) The results indicate that some cat-allergic patients have specific IgE both towards cat and cat flea but also that some of the patients with suspected cat allergy might have specific IgE towards the cat flea and not the cat.
(7) Over 60 forms of parasites were found out as follows: three species of blood parasites, 12 species of Coccidia, 8 species of cestodes, 12 species of nematodes, one species of Acanthocephalus, three species of chigger mites, 15 species of gamasid mites, 6 species of ixodid ticks, fleas and lice.
(8) Dissection of fleas gave, however, positive results.
(9) Hungry but previously "prepared" for winter fleas lived at a temperature from 0 to 2 degrees not more than 376 days.
(10) The 12 additional arthropod species recorded from the woodland mice consisted of 1 nidicolous beetle, Leptinus orientamericanus; 1 bot, Cuterebra fontinella; 3 fleas, Ctenophthalmus pseudagyrtes, Orchopeas leucopus and Peromyscopsylla scotti; 1 tick, Dermacentor variabilis; 2 mesostigmatid mites, Androlaelaps fahrenholzi and Ornithonyssus bacoti; 3 chiggers, Comatacarus americanus, Euschoengastia peromysci, and Leptotrombidium peromysci; and 1 undescribed pygmephorid mite of the genus Pygmephorus.
(11) He and bassist Flea wrote letters of support to the women, which have been given to them in prison.
(12) All these hosts carried a lower proportion of reproductive fleas than their monthly sample proportion.
(13) It was considered that Ctenocephalides canis could be of great public health significance in this area in view of the high population of the flea.
(14) Infection in humans or animals by the common tapeworm of dogs and cats (Dipylidium caninum) requires ingestion of the intermediate host, the dog or cat flea containing the larva (cysticercoids) of the agent.
(15) Rabbit fleas Spilopsyllus cuniculi (Dale) were present on both sexes of rabbit at all times of the year.
(16) The larval flea diet had a small effect on the subsequent cestode development and the adult fleas' reaction to it.
(17) Almost all the patients with HP who were studied show hypersensitivity to flea bites.
(18) However, if, after six days, the fleas were transferred from an environment of 18 degrees C to one at 24 degrees C or 30 degrees C, the rickettsial growth increased by two or three logs within one week.
(19) Following exposure, samples of flea eggs were processed for microscopic examination and seeded onto carpet swatches containing flea-rearing medium in order to assess egg hatch, and larval, pupal, and adult development.
(20) When the number of fleas was increased to 250 and 500 specimens the progeny decreased in number.
Fly
Definition:
(v. i.) To move in or pass thorugh the air with wings, as a bird.
(v. i.) To move through the air or before the wind; esp., to pass or be driven rapidly through the air by any impulse.
(v. i.) To float, wave, or rise in the air, as sparks or a flag.
(v. i.) To move or pass swiftly; to hasten away; to circulate rapidly; as, a ship flies on the deep; a top flies around; rumor flies.
(v. i.) To run from danger; to attempt to escape; to flee; as, an enemy or a coward flies. See Note under Flee.
(v. i.) To move suddenly, or with violence; to do an act suddenly or swiftly; -- usually with a qualifying word; as, a door flies open; a bomb flies apart.
(v. t.) To cause to fly or to float in the air, as a bird, a kite, a flag, etc.
(v. t.) To fly or flee from; to shun; to avoid.
(v. t.) To hunt with a hawk.
(v. i.) Any winged insect; esp., one with transparent wings; as, the Spanish fly; firefly; gall fly; dragon fly.
(v. i.) Any dipterous insect; as, the house fly; flesh fly; black fly. See Diptera, and Illust. in Append.
(v. i.) A hook dressed in imitation of a fly, -- used for fishing.
(v. i.) A familiar spirit; a witch's attendant.
(v. i.) A parasite.
(v. i.) A kind of light carriage for rapid transit, plying for hire and usually drawn by one horse.
(v. i.) The length of an extended flag from its staff; sometimes, the length from the "union" to the extreme end.
(v. i.) The part of a vane pointing the direction from which the wind blows.
(v. i.) That part of a compass on which the points are marked; the compass card.
(v. i.) Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.
(v. i.) A heavy wheel, or cross arms with weights at the ends on a revolving axis, to regulate or equalize the motion of machinery by means of its inertia, where the power communicated, or the resistance to be overcome, is variable, as in the steam engine or the coining press. See Fly wheel (below).
(v. i.) The piece hinged to the needle, which holds the engaged loop in position while the needle is penetrating another loop; a latch.
(v. i.) The pair of arms revolving around the bobbin, in a spinning wheel or spinning frame, to twist the yarn.
(v. i.) A shuttle driven through the shed by a blow or jerk.
(v. i.) Formerly, the person who took the printed sheets from the press.
(v. i.) A vibrating frame with fingers, attached to a power to a power printing press for doing the same work.
(v. i.) The outer canvas of a tent with double top, usually drawn over the ridgepole, but so extended as to touch the roof of the tent at no other place.
(v. i.) One of the upper screens of a stage in a theater.
(v. i.) The fore flap of a bootee; also, a lap on trousers, overcoats, etc., to conceal a row of buttons.
(v. i.) A batted ball that flies to a considerable distance, usually high in the air; also, the flight of a ball so struck; as, it was caught on the fly.
(1) Moments later, explosive charges blasted free two tungsten blocks, to shift the balance of the probe so it could fly itself to a prearranged landing spot .
(2) Only two aviators were permanently removed from flying duties due to glaucoma.
(3) This reduction is produced by medial displacement of the cerci, a movement the animal performs naturally during flying.
(4) In October, an episode of South Park saw the whole town go gluten-free (the stuff, it was discovered, made one’s penis fly off).
(5) As yet there is no evidence that the occurrence of savanna flies in the rain forest zone of Liberia was of epidemiological significance.
(6) Aircraft pilots Facebook Twitter Pinterest ‘Getting paid to have your head in the clouds.’ Photograph: CTC Wings Includes: Flight engineers and flying instructors Average pay before tax: £90,146 Pay range: £66,178 (25th percentile) to £97,598 (60th percentile).
(7) Discovery of this vectorhost-parasite system in the Americas, and the localization of promastigote flagellates (leptomonads) in the hindgut of the vector, should assist in clarifying interpretative problems associated with infection of wild-caught flies in studies on leishmaniasis in the Americas and elsewhere.
(8) Meanwhile, in the US, Ellen DeGeneres , who is 56 and came out in the 90s, is still flying the lesbian flag on TV.
(9) It flies in the face of everything I believe and everything I stand for.” On a day of tension within the party, the former Labour leader Ed Miliband called for activists to stop abusing opposition MPs who were backing airstrikes.
(10) An international team led by Luciano Iess at the Sapienza University in Rome inferred the existence of the ocean after taking a series of exquisite measurements made during three fly-bys between April 2010 and May 2012, which brought the Cassini spacecraft within 100km of the surface of Enceladus.
(11) Histopathology examination from the margin of the ulcerative area confirmed the diagnosis of basal cell carcinoma, which was infested secondarily with larvae of flies.
(12) All the flies were collected from a breeding site inside an abandoned cement building.
(13) "There were around 50 attackers, heavily armed in three vehicles, and they were flying the Shebab flag," Maisori added, speaking from the town, where several buildings including hotels, restaurants, banks and government offices were razed to the ground.
(14) • Gaddafi's many eccentricities, including phobias about flying over water and staying above ground floor level.
(15) Police told him he had been placed on the US no-fly list, although he had never in his life been accused of breaking any law.
(16) Flies were observed to lack strong host specificity.
(17) It encodes a homeobox gene closely related to the developmentally regulated homeotic genes of flies and mammals.
(18) Photograph: Geektime The same developer’s Red Bouncing Ball Spikes game has also been doing well on the App Store, although as yet Flying Cyrus fever hasn’t spread to Android – the game has been installed less than 5,000 times according to its Google Play store page.
(19) "What I want to do is to fly 100% of the schedule and to remove any uncertainty.
(20) It is present throughout development and is as abundant in embryos as in larvae and adult flies.