The spirochetes are motile but flagella have not been shown to be present.
These petioles are provided with a series of motile leaflets.
The motile organs are cirri and cilia, all inserted in the constriction.
Bacteria which are thus capable of independent movement are spoken of as motile bacteria.
By studying living bacteria with this device it can be determined whether they are motile or not.
Non-motile facultative anarobes usually cloud the broth also, but settle out more rapidly than the motile ones.
The secretion pressure of the healthy sweat and oil glands acts as an effective bar even to motile bacteria.
It is true that some of the intestinal organisms are motile, but most of the bacteria which are pathogenic are non-motile.
Even the motile ones can not make their way against fluids secreted or excreted on free surfaces.
In a motile tissue contraction of a cell causes a physical deformation and stimulation of the neighbouring cell.