(n.) An under garment among the ancient Greeks, nearly representing the modern shirt.
(n.) One of a group of gastropod mollusks, with a shell composed of eight movable dorsal plates. See Polyplacophora.
Example Sentences:
(1) A comparison is made between the chiton myoglobins and other similar O2-binding proteins.
(2) Each of the three minerals forms a discrete microarchitectural unit of the chiton denticles.
(3) Contrary to the widely accepted view that chiton sperm lack acrosomes and that fertilization in this group occurs via a micropyle, we demonstrate here that fertilization in Tonicella lineata occurs by acrosome-mediated sperm-egg fusion.
(4) X-ray diffraction patterns show that the mature denticles of three extant chiton species are composed of the mineral lepidocrocite and an apatite mineral, probably francolite, in addition to magnetite.
(5) Although the rate constants associated with the reactions of individual dimer and monomer molecular species are very different, the two species of chiton investigated show remarkably similar properties when compared with each other.
(6) A possible circaseptennian rhythm is only suspected in the data from the ochre star (P = 0.14); it is rigorously described for the purple sea urchin (P less than 0.001) and also detected in the black chiton (P = 0.029) in time series covering 9.5 years, from September 1953 to April 1963 for the purple sea urchin and from January 1957 to September 1966 for the black chiton.
(7) The subunit structure and solution conformation of the hemocyanin of the chiton Acanthopleura granulata were investigated by light-scattering, ultracentrifugation, viscosity, absorbance, and circular dichroism methods.
(8) Cephalopod and chiton hemocyanins consist of single decameric particles, while gastropods have hemocyanins organized of di-decamers or higher assemblies.
(9) The subunit dissociation of the hemocyanins from five members of the Polyplacophora families, Acanthochitonidae, Callistoplacidae, Chitonidae, Ischnochitonidae and Mopalidae, represented by the chitons Cryptochiton stelleri, Nutallina fluxa, Acanthopleura granulata, Stenoplax conspicua and Mopalia mucosa, respectively, have been investigated by light-scattering molecular-weight and ultracentrifugation methods, using the hydrophobic reagents of the urea series and the Hofmeister salt series as probes of the contact areas of the hemocyanin subunits.
(10) Although hemocyanins have been reported in chitons, gastropods, and cephalopods, they have not been observed in the Class Bivalvia.
(11) Electron microscopy of the subradular organ of the chiton Lepidochitona cinereus (L) reveals at least three cell types, microvillous, ciliated and mucus-secreting, situated in a single epithelium.
(12) An increase and decrease in staining intensity subsequent to treatment with anti-LM4b and anti-LM2, respectively, was observed in digestive gland microsomes from BNF-treated chiton.
(13) Yoldia thraciaeformis and A. castrensis hemocyanins chromatograph on Sepharose 4B gel close to gastropod hemocyanin (Mr = 9 x 10(6] rather than chiton hemocyanin (Mr = 4 x 10(6].
(14) The shells of the chitons Lepidochitona cinereus, Sypharochiton pelliserpentis, Amaurochiton glaucus and Onithochiton neglectus were examined by scanning electron microscopy.
(15) The form of the path of attracted chiton sperm is like that observed during chemotaxis of the sperm of the hydroid Tubularia and the tunicate Ciona and resembles the behavior of Ciona sperm in that there is no increase in velocity as the cells move up the gradient.
(16) This is the first indication that lepidocrocite is precipitated by marine organisms and an apatite mineral by chitons.
(17) Observations of sperm behavior in the vicinity of gradients of egg-water or alcohol extracts of whole freshly-spawned eggs of several chitons reveal what appear to be directed movements of sperm up the gradient, resulting in the aggregation of motile sperm at the gradient source.
(18) Data series from the purple sea urchin (Strongylocentrotus purpuratus), a mollusk, the black chiton (Katharina tunicata), and the ochre sea star (Pisaster ochraceus), exhibiting circannual periods of 368, 361, and 365 days, have relatively tight 95% limits of 356-387, 356-367, and 359-371 days, respectively, when scrutinized by nonlinear least-squares rhythmometry.
(19) Newly metamorphosed chitons superficially resemble adult animals, but they lack the adult girdle ornaments, shell sculpture, and coloration.
(20) A method has been devised for isolating the calcium biomineral from the iron biominerals and organic components present in the major lateral teeth of the chiton Acanthopleura hirtosa.
Palla
Definition:
(n.) An oblong rectangular piece of cloth, worn by Roman ladies, and fastened with brooches.
Example Sentences:
(1) Autogenous Aedes (Ochlerotatus) caspius Pallas from Aswan deposits 1 to 2 egg batches without a blood meal.
(2) The authors report an epizootic form of toxoplasmosis observed among the crowned pigeons (Goura cristata Pallas and Goura victoria Frazer).
(3) Host preferences of mosquitoes, mainly Culex pipiens L. and Aedes caspius (Pallas), were studied in Israel using live baits, chemical attractants, light, and suction traps.
(4) Aedes caspius Pallas populations from the Mediterranean regions are genetically highly polymorphic, and may diverge into 2 genetically isolated forms.
(5) At the infection with the typical strain of the altai subspecies rare transmissions of the agent to Pallas' pika can take place as well as its long preservation in fleas.
(6) Electron microscopically using morphometric analysis, the median eminence and hypophysis posterior lobe have been studied in newborn lemmings (Dicrostonyx torquatus Pallas) at the stage of decreasing population.
(7) The species used were Halocynthia aurantium Pallas and H. roretzi Drashe.2.
(8) Bloodmeals of twenty-nine wild-caught G. palpalis were identified as mostly from man (fifteen) and bushbuck (Tragelaphus scriptus (Pallas] or other wild ruminants (eleven), plus three from reptiles.
(9) A toxic component (AgTx) from the venom of Agkistrodon halys (Pallas) was isolated using DEAE-cellulose DE11 and CM-Sephadex C50 column chromatography and finally purified to homogeneity by FPLC on a MonoQ column.
(10) The fleas of this species are capable to transmit not only the plague agent of the strains typical of this nidus but also non-typical ones which differ in some biological properties and are avirulent for most carriers but Pallas's pika.
(11) Pallas also criticised the state-funded Swedish Film Institute – the biggest financier of Swedish film – for vocally supporting the project, saying a state institution should not "send out signals about what one should or shouldn't include in a movie".
(12) Adult specimens of Astrangia danae (Agassiz) and settled planulae of Porites porites (Pallas) contain crystals averaging 0.7 mu by 0.1 mu by 0.3 mu within Golgi-derived vesicles.
(13) Toxoplasma gondii was found in tissues of a six-year-old female Pallas cat (Felis manul) from the Milwaukee County Zoo.
(14) Parasites collected from free-ranging black bears, Ursus americanus Pallas, 1780, from northeastern Minnesota or northern Michigan include the dog tick, Dermacentor variabilis (Say, 1821), the winter tick, D. ALBIPICTUS (Packard, 1869), a louse, Trichodectes pinguis euarctidoes Hopkins, 1954, an ascarid worm, Baylisascaris transfuga (rudolphi, 1819), a filarial worm, Dirofilaria ursi Yamaguti, 1941, taeniid tapeworms, and unidentified fleas.
(15) In the treatment of the pallas pit viper bite, it was considered that should insisting the excluding poison and detoxifying methods, so as to cut off the absorption of the poison into the body and promote the discharge of the poison from the body, protect and improve the hepatic and renal functions, keep the balance of inter-circumstance.
(16) In Gobius fluviatilis (Pallas), Gobius (Proterorhinus) marmoratus (Pallas), glossa Platichthys flesus (L) the cornea is double and there is an iridescent layer.
(17) During a pilot survey of the parasites of some artiodactylids in the Kalahari Gemsbok National Park a new species of Trichostrongylus Looss, 1905 was recovered from the small intestine of a steenbok, Raphicerus campestris (Thunberg, 1811), a gemsbok, Oryx gazella (Linnaeus, 1758), and a red hartebeest, Alcelaphus buselaphus (Pallas, 1766).
(18) The 85-kDa subunit is the same protein previously shown to associate with polyoma virus middle T antigen and the platelet-derived growth factor receptor (Kaplan, D. R., Whitman, M., Schaffhausen, B., Pallas, D. C., White, M., Cantley, L., and Roberts, T. M. (1987) Cell 50, 1021-1029).
(19) As a result of histological investigations of seasonal dynamics in the anatomical-tissue organization of the litoral sponge Halichondria panicea (Pallas), morphogenetical processes during different periods of its life cycle are described in detail.
(20) Materials from the liver of a wild-living hare (Lepus europeus pallas) which had died from "European Brown Hare Syndrome" (EBHS) and of two hares kept in captivity which had been experimentally infected with the same material and died after two days with the classical signs of EBHS (Eskens and Volmer, 1989) were investigated for the presence of virus particles by electron microscopy using the negative contrast technique.