noun
definition
In protists, a long, whiplike membrane-enclosed organelle used for locomotion or feeding.
definition
In bacteria, a long, whiplike proteinaceous appendage, used for locomotion.
definition
A whip
Examples of flagella in a Sentence
Both flagella are inserted close together, near the anterior end of the body.
Teaching Materials; Flagella; Cilia; Centrioles; endoplasmic reticulum Illustrated notes on the endoplasmic reticulum aimed at students.
A red eyespot is visible near the base of the flagella.
The ability of these " pathogenic " strains to invade the mucosa depends on the presence of pili or flagella.
Teaching Materials; Flagella; Cilia; Centrioles; Endoplasmic reticulum Illustrated notes on the endoplasmic reticulum aimed at students.
The result of cleavage in all cases is a typical blastula, which when set free becomes oval and develops a flagellum to each cell, but when not set free, it remains spherical in form and has no flagella.
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.
The larvae swim normally like the adult or suspend themselves by their flagella (not shown in the figures) vertically in mid-water.
Independent movement is effected by special motile or- gans, the cilia or flagella.
A group of small limax amoebae from fresh and sea water some of which produce cysts, flagella or both.
The affinities of the Dinoflagellata are certainly with those Cryptomonadine Flagellates which possess two unequal flagella; the zoospores or young of the Cystoflagellates are practically colourless Dinoflagellates.
About the eighth hour after commencement of development the membrane ruptures and the oval embryo escapes, swimming by means of its flagella at the surface of the sea for another twenty-four hours, during which the principal organs are laid down, although the mouth does not open until the close of this period.