What's the difference between louse and worm?

Louse


Definition:

  • (n.) Any one of numerous species of small, wingless, suctorial, parasitic insects belonging to a tribe (Pediculina), now usually regarded as degraded Hemiptera. To this group belong of the lice of man and other mammals; as, the head louse of man (Pediculus capitis), the body louse (P. vestimenti), and the crab louse (Phthirius pubis), and many others. See Crab louse, Dog louse, Cattle louse, etc., under Crab, Dog, etc.
  • (n.) Any one of numerous small mandibulate insects, mostly parasitic on birds, and feeding on the feathers. They are known as Mallophaga, or bird lice, though some occur on the hair of mammals. They are usually regarded as degraded Pseudoneuroptera. See Mallophaga.
  • (n.) Any one of the numerous species of aphids, or plant lice. See Aphid.
  • (n.) Any small crustacean parasitic on fishes. See Branchiura, and Ichthvophthira.
  • (v. t.) To clean from lice.

Example Sentences:

  • (1) The prevalence of head louse Pediculus capitis Deg.
  • (2) The bushbuck were infested with 8 ixodid tick species, 2 louse species and a louse-fly species.
  • (3) The louse (Menacanthus stramineus) and the lone star tick (Amblyomma americanum) were the only parasites recovered.
  • (4) The common duiker harboured 7 tick species and 2 louse species.
  • (5) The ultrastructure of the Malpighian tubes in human louse Pediculus humanus corporis has been studied.
  • (6) In one brief moment a soldier thoughtfully removes a louse from his girl’s army jacket before kissing her.
  • (7) The louse-fly, Lipoptena paradoxa, was recovered from some of the bushbuck from October to May.
  • (8) Some of the treated cows were identified as carriers of louse infestation (subgroups A1 and C1), while others were noncarriers (subgroups A2 and C2).
  • (9) Besides other factors for such a high prevalence, the lack of health education of family members may play a crucial role in transference and louse infestation.
  • (10) A prospective study of 120 louse-borne relapsing fever (LBRF) patient admitted to Mekele Regional Hospital, Tigray, Ethiopia from September to November 1991 was done.
  • (11) However, juvenile wild fish, which migrate from the rivers to the sea each spring, are simply not designed to cope with more than the odd louse.
  • (12) One hundred and sixty patients with louse-borne relapsing fever were treated with a combination therapy of procaine penicillin and tetracycline.
  • (13) Based on evidence of intercellular cohesion, as seen in the histologic results, the patients were placed into two subtypes, compact growth type and louse structure type.
  • (14) At the end of the trial the mean red blood cell and mean total blood content of one louse was evaluated at 0.157 microliters and 0.443 microliters respectively, using 51Cr, and 0.120 microliters and 0.350 microliters respectively, using 59Fe.
  • (15) New host records are given for two species of Acari, one of louse, and one of flea.
  • (16) This sucking louse is typically parasitic on domestic rats, which are murid rodents.
  • (17) To evaluate the efficacy and to determine the minimum effective dosage of four pediculicides against head louse infestation, as well as to select a safe, effective, practical, and cheap agent, 1,657 infested school children in 25 primary schools in Szu-Hu, Kou-Hu, and Ku-Keng Districts of Yunlin County were treated and 1,611 of them were examined.
  • (18) Three 2-(2-phenylethyl) chromone derivatives were isolated from the ethyl acetate soluble fraction of the alcoholic extract of Aquilaria sinensis (Lous.)
  • (19) Louse-borne relapsing fever (LBRF) is an acute febrile illness endemic Ethiopia.
  • (20) During recent archaeological excavations in Viking Greenland, specimens of the human flea, Pulex irritans L., and the body louse, Pediculus humanus humanus L., were recovered from several farmsteads.

Worm


Definition:

  • (n.) A creeping or a crawling animal of any kind or size, as a serpent, caterpillar, snail, or the like.
  • (n.) Any small creeping animal or reptile, either entirely without feet, or with very short ones, including a great variety of animals; as, an earthworm; the blindworm.
  • (n.) Any helminth; an entozoon.
  • (n.) Any annelid.
  • (n.) An insect larva.
  • (n.) Same as Vermes.
  • (n.) An internal tormentor; something that gnaws or afflicts one's mind with remorse.
  • (n.) A being debased and despised.
  • (n.) Anything spiral, vermiculated, or resembling a worm
  • (n.) The thread of a screw.
  • (n.) A spiral instrument or screw, often like a double corkscrew, used for drawing balls from firearms.
  • (n.) A certain muscular band in the tongue of some animals, as the dog; the lytta. See Lytta.
  • (n.) The condensing tube of a still, often curved and wound to economize space. See Illust. of Still.
  • (n.) A short revolving screw, the threads of which drive, or are driven by, a worm wheel by gearing into its teeth or cogs. See Illust. of Worm gearing, below.
  • (v. i.) To work slowly, gradually, and secretly.
  • (v. t.) To effect, remove, drive, draw, or the like, by slow and secret means; -- often followed by out.
  • (v. t.) To clean by means of a worm; to draw a wad or cartridge from, as a firearm. See Worm, n. 5 (b).
  • (n.) To cut the worm, or lytta, from under the tongue of, as a dog, for the purpose of checking a disposition to gnaw. The operation was formerly supposed to guard against canine madness.
  • (n.) To wind rope, yarn, or other material, spirally round, between the strands of, as a cable; to wind with spun yarn, as a small rope.

Example Sentences:

  • (1) Other filarial worms which are known to occur in the RSA are discussed.
  • (2) The drugs were moderately potent inhibitors of both E. electricus and C. elegans acetylcholinesterase but at concentrations too high to account for their abilities to contract cut worms.
  • (3) The sectioned worm tissues from each developmental stage were embedded in Lowicryl HM 20 medium, stained with infected serum IgG and protein A gold complex (particle size: 12 nm) and observed by electron microscopy.
  • (4) glp-4(bn2ts) mutant worms raised at the restrictive temperature contain approximately 12 germ nuclei, in contrast to the 700-1000 present in wild-type adults.
  • (5) Fluorescein isothiocyanate (FITC)-ricin exhibited binding to schistosomula and adult worms, but not to cercariae or to freshly transformed schistosomula.
  • (6) Sera from S. mansoni-infected patients with a high specificity for the diagnostic S. mansoni-antigen cross-reacted with a corresponding component also in S. japonicum worms.
  • (7) To understand mechanisms involved in sex-specific gene expression in Schistosoma mansoni, a cDNA (fs800) was isolated that hybridized to an 800 nucleotide mRNA present in high levels only in mature female worms.
  • (8) Three freeze-thaw cycles released a large proportion (50% to 60%) of the TCA-precipitable radioactivity from the worms.
  • (9) Antigen inhibition studies showed low and high levels of cross-reactivity with anti-worm and anti-egg antibodies, respectively, derived from both Chinese and Philippine patients.
  • (10) Only eosinophils adhered to 2 h newborn worms and only macrophages to 20 h ones.
  • (11) Worms had invaded the bile duct in 51 patients, the pancreatic duct in four and both ducts in four.
  • (12) The number of ovarian balls rises to about 6300 per worm, with the maximum being attained more rapidly in unfertilized than in fertilized females.
  • (13) Or perhaps the "mad cow"-fuelled beef war in the late 1990s, when France maintained its ban on British beef for three long years after the rest of the EU had lifted it, prompting the Sun to publish a special edition in French portraying then president Jacques Chirac as a worm.
  • (14) Three bulls selected for high faecal worm egg counts and three bulls selected for low faecal worm egg counts were mated to Africander-Hereford cross cows.
  • (15) Among 30 villagers who were treated, 4 (13.3%) passed this species with an average of 2.5 worms per infection.
  • (16) Successful tests were carried out on 84 farms and 68% of these had resistant worms present.
  • (17) A higher retention rate of intestinal adult worms was observed in hydrocortisone-treated mice.
  • (18) No evidence was obtained for the involvement of monoamine oxidases in the metabolism of 5-HT in these filarial worms.
  • (19) Radiocarbons from glucosamine and leucine were incorporated into tissue glycogen of female worms much less than glucose.
  • (20) The heads were examined for adult and larval meningeal worms (Parelaphostrongylus tenuis) by physical examination of the brain surfaces, and the Baermann technique, respectively, and for ear mites by examination of ear scrapings.