Motile Sentence Examples

motile
  • Polarity is clearly seen in Vibrio cholerae, a highly motile pathogen that swims by rapidly rotating a single polar flagellum.

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  • The phylum Chytridiomycota has traditionally been characterized on the basis of motile cells with a single posterior flagellum.

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  • This can occur in breast cancer cells and results in cells becoming motile.

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  • Some are actively motile, some are free-floating whilst many are found attached to a substrate.

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  • Pseudomonas are highly motile and posses multiple virulence factors including proteases and exotoxins.

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  • The time to conception was inversely related to the number of motile sperm seen.

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  • In Limulus Lankester found (15) the spermatozoa to possess active flagelliform " tails," and to resemble very closely those of Scorpio which, as are those of most terrestrial Arthropoda, are actively motile.

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  • Multiplication takes place in some cases by the endogenous formation of zoospores, the organism having come to rest; in others by longitudinal division, when the organism is still motile.

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  • This proved so adroit at dodging the problem that it seemed to be both intelligent and motile.

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  • There is a count of 30 million sperm per ml and 33% are motile total motile total motile count is 10 million.

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  • A highly motile organism, the colonies are surrounded by wispy swarms of bacteria.

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  • Oospores germinate to release motile zoospores that are readily carried in soil water and thus spread the disease within the crop.

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  • This had a hyaline mycelium bearing lemon-shaped sporangia which released motile zoospores after chilling in water, consistent with P. infestans.

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  • The male gametophyte is represented by one or few cells and, except in a few primitive forms where the male cell still retains the motile character as in the Pteridophyta, is carried passively to the macrospore in a development of the pollen grain, the pollen tube.

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  • In Monoblepliaris, one of the lower Fungi, in some Algae, in the Vascular Cryptograms, in Cycads (Zamia and Cycas), and in Ginkgo, an isolated genus of Gymnosperms, the male cell is a motile spermatozoid with two or more cilia.

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  • In the first stage the ammonium compounds are oxidized to nitrites by the agency of very minute motile bacteria belonging to the genus Nitrosomonas.

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  • In two families motile articulated rods occur; in Triarthridae they probably simply expand the dimensions of the body in adaptation to life at the surface; or as a protection against being swallowed by their smaller foes.

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  • Ploimoidaceae; subconical; corona bilobed; retractile foot absent or ciliated; motile appendages present in two families.

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  • Nevertheless, the general appearance and structure of these motile forms so greatly resemble that of a Herpetomonad, or of the " pseudo-Herpetomonadine " forms of a Trypanosome which are obtained in cultures, that it cannot be doubted that the " Leishman-Donovan-Wright " bodies are closely connected with the Haemoflagellates.

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  • Whether a spore results from the sexual union of two similar gametes (zygospore) or from the fertilization of an egg-cell by the protoplasm of a male organ (oospore); or is developed asexually as a motile (zoospore) or a quiescent body cut off from a hypha (conidium) or developed along its course (oidium or chlamydospore), or in its protoplasm (endospore), are matters of importance which have their uses in the classification and terminology of spores, though in many respects they are largely of academic interest.

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  • Motile zoospores which escape from the zoosporangium are present except in Aplanes.

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  • Thus, although isogamy consists in typical cases of a union of naked motile gametes by a fusion which begins at the beaked ends, and results in the formation of an immotile spherical zygote surrounded by a cell-wall, in Leptosira it is noticeable that the fusion begins at the blunt end; in a species of Chlamydomonas the two gametes are each included in a cell-wall before fusion; and in many cases the zygote retains for some time its motility with the double number of cilia.

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  • The Cryptomonadeae and Chromulineae are motile through the greater part of their life.

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  • In Synura and Chromulina the cells form a spherical motile colony, recalling Volvocaceae.

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  • The experiment of Engelmann referred to deserves to be mentioned here, if only in illustration .of the use to which algae have been put in the study of physiological problems. Engelmann observed that certain bacteria were motile only in the presence of oxygen, and that they retained their motility in a microscopic preparation in the neighbourhood of an algal filament when they had come to rest elsewhere on account of the exhaustion of oxygen.

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  • Independent movement is effected by special motile or- gans, the cilia or flagella.

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  • A motile rodlet with one cilium and with a spore formed inside.

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  • While many forms are fixed to the substratum, others are free, being in this condition either motile or immotile.

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  • In ordinary arable soil there exist motile rod-like bacteria, Bacterium radicicola.

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  • Microspore spherical or oval, with or without a bladder-like extension of the exine, containing a prothallus of two or more cells, one of which produces two non-motile or motile male cells.

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  • One of the most important discoveries made during the latter part of the 19th century was that by Ikeno, a Japanese botanist, who first demonstrated the existence of motile male cells in the genus Cycas.

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  • In some cases both the nucleus and the chromatophores may be carried along in the rotating stream, but in others, such as T.Titeila, the chloroplasts may remain motionless iii a non-motile layer of the cytoplasm in direct contact with the cell wall.i Desmids, Diatoms and Oscillaria show creeping movements probably due to the secretion of slime by the cells; the swarmspores and plasmodium of the Myxomycetes exhibit amoehoid movements; and the motile spores of Fungi and Algae, the spermatozoids of mosses, ferns, &c., move by means of delicate prolongations, cilia or flagella cf the protoplast.

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