spirilla
IPA: spɪrˈɪɫʌ
noun
- any flagellated aerobic bacteria having a spirally twisted rodlike form
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Examples of "spirilla" in Sentences
- Bacteria can be single cell rods, cocci, or spirilla.
- As early as 1873, spirilla were demonstrated in relapsing fever.
- Slide 41: Cell shape Can be spherical (coccus), rods (bacillus), Or helices (spirilla)
- [11] Each spirilla is animated by the life-force of a plane, and four are at present normally active, one for each round.
- The photographs included cells containing anthrax, typhoid and tubercle bacilli, the spirilla of relapsing fever, specimens from cases of anthrax.
- Possibly it is a true spirillum, portions of which appear in the comma shape, much as in other spirilla -- _e. g_., spirilla undula, which do not always form complete spirals, but consist only of more or less curved rods.
- An infusion of 0.5 percent inhibits the growth of many pathogenic organisms, and those of 10 percent kill anthrax bacteria in three hours, cholera spirilla in four hours, and many other bacteria, including those producing typhoid, in two to six days. [
- But a resting state of the comma bacilli has never been met with -- a very exceptional thing in the case of bacilli, and another reason why the organism must be regarded rather as a spirillum than a bacillus, for the spirilla require only a fluid medium, and do not, like the anthrax bacilli, thrive in a dry state.
- These "discoveries" have ranged the whole realm of unicellular life, -- bacilli, bacteria, spirilla, yeasts, moulds, protozoa, -- yet the overwhelming judgment of broad-minded and reputable experts the world over is the Scotch verdict of "not proven"; and we are more and more coming to turn our attention to the other aspect of the problem, the factors which cause or condition this isolation and assumption of autonomy on the part of the cells.
- Turning to the force side of the atom and its combinations, we observe that force pours in the heart-shaped depression at the top of the atom, and issues from the point, and is changed in character by its passage; further, force rushes through every spiral and every spirilla, and the changing shades of colour that flash out from the rapidly revolving and vibrating atom depend on the several activities of the spirals; sometimes one, sometimes another, is thrown into more energetic action, and with the change of activity from one spiral to another the colour changes.