This simple oval cerebral vesicle first divides into three and afterwards five successive vesicles by transverse constriction (Anthropogeny, chapter xxiv.
The forward portion of the anterior coelom shared in the constriction and elongation of the preoral lobe; but its hinder portion was dragged up along with the water-pore and formed a canal lying along the outer wall (the parietal canal).
Skull somewhat elongated, much constricted behind the orbits, and immediately in front of the constriction considerably dilated.
Before the latter plates arose, the stem had developed by the elongation and constriction of the fixed end of the theca, the gradual regularization of the plates involved, and their coalescence into rings.
There was rarely now any constriction of the throat.
At first there is dryness of the mouth, followed by constriction of the fauces, then nausea, vomiting, and purging.
The principle of constriction of the canal by reuniting its separated sides.
The forefinger must now be cautiously insinuated into the neck of the sac, the nail being directed to the bowel, the pulp to the crescentic margin of Gimbernat's ligament, and any constriction very cautiously divided.
Now, this constriction might be divided in any direction were it not for the risk of wounding the epigastric artery, and also of injuring the spermatic cord, which is in close relation to the neck of the sac of an oblique hernia.
The sac thus being reached, the external abdominal ring should be clearly defined, and the finger passed into it so as if possible to determine the presence or absence of any constriction in it.
Its condition must be carefully examined, and it must be decided whether the constriction has caused gangrene or not.
Some of the Anthracomarti resemble the trilobites more closely than do the Araneae, as they lack the constriction between the cephalothorax and abdomen.
The segment in question is strongly curved, with a constriction possibly dividing it into two.
The neck segment is indicated by a slight prominence on the axial lobe, and back of it a constriction divides the axial lobe of the pygidium into two nodes, but does not cross the pleural lobes.
The spiders of the Pennsylvanian have this constriction less perfectly developed than do modern Araneae, and occupy an intermediate position in this respect.
With a sudden constriction at her heart Marilyn bowed and rode on.
Billy, standing awed in the doorway whither he had come to say there was more hot water ready, caught the vision of her face, remembered those school days, and felt a strange constriction in his throat.
The music was tender that night and Billy felt a strangeconstriction in his throat.
There was a sudden constriction in his throat and a leaden weight on each eye.
A constriction also occurs in the hind vesicle or rhombencephalon, dividing it into an anterior part, the metencephalon, from which the cerebellum is developed, and a posterior or myelencephalon, the primitive medulla oblongata.
In particular he used to notice a curious little constriction of the sides of her nose, rather as though invisible tweezers were pressing it.
And he had been waiting for the warning constriction of air running out!
He thought he felt constriction in his lungs from the warning signal that his air was running out, but finally decided it was only his imagination.
Rick felt the warning constriction that told him he had only minutes left.
Nor could there be many before warning constriction forced them to turn on the reserves.
Presently a decided constriction appeared about half-way below the mouth and proboscis, and in transverse direction.
The opening of the dental arches in the case of spasmodic constriction of the jaws.
Forced opening of the dental arches in cases of prolonged constriction of the same, so as to prevent the patient from dying of hunger.
A screw dilator (dilatatorium cum cochlea), for gradually opening the dental arches in cases of spasmodic constriction of the jaws.
He cannot expect blood to quietly pass through the diaphragm if impeded by muscular constriction around aorta, vena cava or thoracic duct.
Then the universal principle of constriction throughout the whole body can discharge the contents of the lymphatics of all divisions of the body, which is surely the normal condition.
Remember that death blows are dealt out freely above the sternum by irritation and constriction of the parts above described.
The endless rows seemed to be suffering some process of squeezing orconstriction that made them coalesce and edged them closer and closer to the railway line.
The area of painful constriction seemed more narrow, and in an incredibly short time he found himself gliding along the Thames valley with the ghostly round tower of Windsor Castle on his left.
The urinary secretion was at once augmented, but the patient complained that each time after taking the medicine he felt a constriction of the chest.
Sensation of constriction about the whole abdomen.
Next morning, sense of constriction at base of lungs.
Her respirations were often twenty-eight to thirty per minute, much wakefulness, and at times feeling of constriction across her breast and a sense as if her heart would stop beating.
Valve punctate, with a constriction or furrow between edge of valve and girdle.
Valve with six to twelve internal projections forming with the outline of the constriction of the valve a polygonal figure within the circumference.
A constriction of the cell-wall, forming a furrow between the edge of the valve and the girdle, is more or less evident.
Among the Desmidiaceae, a family of the order Conjugales, of the class Chlorophyceae, the cells are in many forms divided by a constrictioninto symmetrical halves.
The yolk has now mainly passed into the abdomen, and the constriction separating the thorax and abdomen has begun to appear.
It shews the deep constrictionseparating the thalamencephalon from the cerebral hemispheres.
It is a solid constriction of the ventral or lateral wall of the segmental duct, which subsequently becomes hollow, and acquires an opening into the body-cavity quite independent of the openings of the head-kidney.
Recent fashions have permitted the enlargement of the waist line in women, but unfortunately there is still too much constriction of this important part of the body.
For instance, it is advisable to avoid any constriction of the muscles of the throat; that is to say, there should be no tension in the throat when singing.
Liman states that constriction by a ligature even for some time does not necessarily cause a mummified or excoriated furrow.
The first indications obviously are to let the subject down, and remove allconstriction of neck and chest.
Tardieu explains this frequency as being due to the fact that the constriction in hanging lasts a longer time.
When the constriction occurred after expiration the lungs were congested; when after inspiration, not congested.
Taylor says that we may expect to find the hands clinched whenconstriction of the neck is sudden and violent.
Before the constriction began to be visible, this stem was the body of a white Hydraform polype, affixed by its base, and furnished at its free extremity with thirty-two tentacles.
At some time back, then, this creature detached itself as the terminal one of many little saucer-like bodies, which had been for some time previously forming by the gradual constriction of a thick fleshy stem.
A circular constriction of the organism takes place midway between these aggregations, and a septum is formed in the interior of the cell at right angles to its length.
If using a pipette with a constriction below the plugged mouthpiece (Fig 13b), this portion of the pipette may also be sealed in the flame.
A modification of this pipette, in which a constriction or short length of capillary tube is introduced just below the plugged mouth (Fig.
These are slightly longer than the ordinary tubes, and are provided with a constriction some 2 cm.
Replace the cotton-wool plug by an india-rubber stopper perforated with one hole and fitted with a length of glass tubing which has a constriction about 3 cm.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "constriction" in a variety of sentences. We hope that you will now be able to make sentences using this word.