The transference of an excitement from one nerve fiber to another by means of the nerve cells, as in reflex action.
Exciting secretion; -- said of the influence exerted by reflex action on the function of secretion, by which the various glands are excited to action.
Reflex action is annihilated, the spontaneous respiratory movements cease, the heart beats tumultuously and regularly in the severe tetanic convulsions at first, and then contracts with frequency but with regularity.
By its action on the nervous cells of the spinal cord, it in the first place lengthens the time of reflex action, and then arrests that function.
Bowditch; and in the case ofreflex action of the spinal cord by Dr.
The occurrence ofreflex action in Sarsia is of a very marked and unmistakable character.
This may [page 277] be called a reflex action, though probably very different from that proceeding from the nerve-ganglion of an animal; and it is the only known case of reflex action in the vegetable kingdom.
An earthworm half out of its burrow becomes aware of the light tread of a thrush's foot, and jerks itself back into its hole before anyone can say "reflex action.
The starfish is often in the dilemma of losing a limb or its life; by a reflex action it jettisons the captured arm and escapes.
The behaviour of the insectivorous plant called Venus's fly-trap when it shuts on an insect is like a reflex action in an animal, but plants have no definite nervous system.
But this is a reflex action, not a reflective one.
Reflex action is thus a marvelous provision of nature for our comfort, health, and safety.
Thus, a sudden flash of light causes the eyes to blink, as the result of reflex action.
The sudden start of the whole body at some loud noise, the instinctive dodging a threatened blow, and the springing back from sudden danger, are the results of reflex action.
In all these respects this differs from reflex action.
The essential characteristic of reflex action is therefore that from beginning to completion it goes on independently of consciousness.
The arrest in each instance is attributed to reflex action of the spinal cord and sympathetic nerve.
Mastication excites, by reflex action, pancreatic secretion; the acid chyme touches the orifice of the common bile-duct and stimulates the outflow of bile; the neutralized chyme next invites pancreatic digestion.
Were it allowable here to treat the matter scientifically, we might trace this general law down to the principle known among physiologists as that of reflex action.
Further, the relations of voluntary and involuntary movements are elucidated in a way that was not possible to writers unacquainted with the modern doctrine of reflex action.
We cannot but feel astonished that Mr. Bain, familiar as he is with the phenomena of reflex action, should have so expressed himself as to include a great part of them along with the phenomena of volition.
That peculiar power of the cord by which it is enabled to convert sensory into motor impulse is that which distinguishes it, as a central organ, from a nerve, and is called reflex action.
Looking at the sun or other strong light, causes sneezing by reflex action.
This mode of nervous activity is denominated the Reflex Action of the cord.
Clodd says: "Instinct is the higher form of reflex action.
Medical reports indicate that in cases of decapitation even man may manifest similar reflex action in some cases.
The squirming of a decapitated snake, the muscular movements of a decapitated frog, and the violent struggles, fluttering, and leaps of the decapitated fowl, are instances of reflex action.
It is further to be noted that as a matter of official consideration the problem of the presence of reflexes ought to be studied, since it rarely occurs that a man says, ``It was purely a reflex action.
Now would it not be possible in this way, purely by reflex action, to turn into a burglar?
The whole of the spinal cord and lower part of the brain are made up of nerve-centres of reflex action; and, in the result, we have a wonderfully perfect machine in the animal body considered as a whole.
Next, the time has also been measured which is required by a nerve-centre to perform its part in a reflex action, where no thought or consciousness is involved.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "reflex action" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.