Among the higher thread bacteria there are some which show motility without possessing flagella.
The motility should not be confounded with the familiar "Brownian movement" of all minute insoluble inert particles which non-motile living bacteria and also dead bacteria show.
The motion of bacteria is characteristic and a little practice in observing will enable the student to recognize it and distinguish between motility and "Brownian" or molecular motion.
Such ciliary motion is known in the adult condition of the cells of Volvocaceae, but where this is not the case the reproductive cells are endowed with motility for a brief period.
Nor is motility by means of cilia known in the group.
While the spinal cord and brain stem vary according to the size of the body, and the cerebellum with the motility of the species of animal, the size of the cerebrum varies more or less closely with the intelligence of the species.
The organ may, on the other hand, possess the geo-perceptive apparatus, but no visible movement can take place in the absence of motility of the tissue.
They have their cells boxed in by cellulose walls, so that their opportunities for motility are greatly restricted.
Their cells have not cellulose walls, nor in most cases much wall of any kind, and motility in the majority is unrestricted.
This is shown in Figure 10 along with the effect on motility of adding catalase, which is discussed in the next section.
Illustration: Effect of thawing temperature on spermmotility during storage at 5 deg.
Illustration: Effect of glycerol percentage and thawing temperature on sperm motility after freezing and thawing (Fig.
Estimates of semen quality in the past have been based in part on the numbers of sperm present in a fresh sample and on the percentage and rate of motility shown by the sperm.
After 1 hour, the samples maintained at the various temperatures exhibited approximately equal motility (Fig.
Illustration: Effect of glycerol and glycerol-plus-catalase additions on sperm motility during incubation at 37 deg.
If the arytenoid motility has been uninjured the repeated pulls on the scar tissue may draw out adventitious bands and develop a loud, useful, though perhaps rough and inflexible voice.
The respiratory rate naturally increases because of air hunger, accumulating secretions that cannot be expelled because of impaired glottic motility give signs wrongly interpreted as pneumonia.
Its motility is in varying degree, occasionally being as active as B.
Motility is marked; indeed, in young culture it is the most active pathogenic germ we know.
As to the species, those multiplying rapidly and possessing the power of free motility will naturally appear earlier in a filtrate than others.
When, for any reason, there is a disturbance in a particular part, there may be a lack of motility due to nervous influences, just as there is a lack of sensation.
There are any number of cases on record in which patients who had been utterly unable to walk were restored to motility by a shock.
The defect of motility consists at first in the provocation of a motor reaction by some external cause, or by an idea.
In some cases they are present, but lose their motility immediately after ejaculation.
Motility is impaired to some extent in chronic gastritis.
Wunderlich describes the case of a man who "on the second day of the disease lost both sensibility and motility in the lower limbs and over the greater part of the trunk, while his left arm also was partially paralyzed.
The importance of these intellectual difficulties cannot be over-estimated for they furnish the grounds for the ineptitude of intellectual determinations made in a sphere of motility to which the intellect is a stranger.
And whenever a new faculty or an additional scope of motility is achieved by humanity there is always found a set of kosmic conditions which answers thereto.
It is by traversing its scope of motility that the mind finds out what the norms of logic are.
On the other hand, the a posterioristic quality of metageometric spaces marks the entire scope of motility of the notions appertaining thereto.
It illumines and takes cognizance of everything that falls within its scope of motility and is consequently able to study in detail that which it reveals.
Those faculties which are to bestow added powers, additional freedom and a greater scope of motility are the ones which appear later than those which are truly primitive in character.
They describe every conceivable activity of the Creative Logos and designate the bounds of the entire scope of motility of kosmogenesis.
Space is transfinite because its scope is greater than any finite scope of motility can encompass, because it exceeds finite comprehensibility.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "motility" in a variety of sentences. We hope that you will now be able to make sentences using this word.
