Fissure or cracks of the skin caused by callus are treated in the same manner: by prolonged soaking in hot water, paring away the edges, and applying diachylon ointment or cold cream to the part.
Callus consists of round or irregular, flattened, yellowish thickenings of the upper or horny layer of the skin.
Inflammation about callus must be cared for as recommended above for inflamed corns.
In the course of a few days more, the thin jelly which lay in contact with the broken ends of the bone has disappeared, and its place is supplied by a callus continuous with that which formed the original capsule.
The specks of bone become larger and more numerous until they extend into each other; and thus by degrees the whole of the callus is converted into bone.
When I dug it up to transplant it--it was right in my garden--I found I had a large callus more than an inch and a half in diameter at the union but no roots.
I have a magnificent callus but no roots yet above the union.
There was a palpable, hard callus of a fractured rib, presumably a cause of the permanent irritation of the supinator longus, being precisely at the point where lesions usually produce superior brachial plexus palsy.
According to Villermé the callus is cartilaginous anywhere between the sixteenth and twenty-fifth days, it becomes ossified between three weeks and three months, and it takes six to eight months to become like normal bone.
From the state of this callus there could be no doubt that the fracture must have been produced about eight or ten days before death, and could not have belonged to the deceased.
The existence and situation of a fracture can often be recognized long after the accident, by the callus or slight unevenness due to projection of the edges or ends of the fragments.
LIP shorter than the sepals heart-shaped, with a very acuminate slightly recurved apex, white with dark brown spots and a purplish 2-lobed callus at the base.
When the callus has acquired this quality the grafts are in condition to be planted in the nursery, and may be handled without danger.
A good cutting should have a protective callus over the cut and this requires time, so that the sooner cuttings are made after the wood becomes thoroughly dormant the better.
It should require a pull of several pounds to break the callus and separate stock and scion.
Too much moisture will stimulate the emission of roots and starting of buds without aiding the callus formation.
If taken from the bed while the callus is still soft, many unions will be injured and the grafts will fail, or unite only on one side.
The callus should not only have formed copiously around the whole circumference of the wound, but it should have acquired a certain amount of toughness due to the formation of fibrous tissue.
This was frequent in every position of the fracture, and came on either immediately, or, at a subsequent period, as a result of callus irritation or pressure.
In many cases a large ball-like mass of callus surrounding the fragments was developed, into which the actual ends of the broken bone only dipped, and hence union was weak and insecure.
On the other hand, an abundance of provisional callus was common, which formed large swellings apt to implicate neighbouring nerves, and sometimes to interfere with the movements of joints.
In both cases good results were obtained; in the more severe the resultant mass of ensheathing callus was very large, temporarily interfered with flexion of the elbow-joint, and consolidation was very slow (see plate VII.
Musculo-spiral paralysis from implication in, or pressure from, callusin cases of fracture of the humerus was very frequent.
The wound suppurated, and a number of fragments of the fibula needed removal; hence the amount of callus present.
The fracture healed well, but the resulting mass of callusat the end of three months prevented any movements of pronation or supination.
This would naturally be expected from the extreme degree the comminution of the bone often reached, and the consequently large amount of callus developed.
The callus is often remarkably large; an old callussometimes undergoes destruction in the course of scurvy.
When it has an injury it will form callus at the point of the injury.
Chestnut is one of the species that produces abundant callus very readily.
Roentgen ray photographs showed an immense mass of callus extending over the anterior surface of the elbow-joint from about two and a half inches above the lower end of the humerus to about an inch below the elbow-joint.
There was also some callus on the posterior surface of the lower end of the humerus.
It is noticeable that very little provisional callus has formed in this case, and in spite of unusual ingenuity and good facilities for caring for the subject, union of bone did not occur.
In order to promote the formation of the callus of the fracture, the doctor had made a sort of cement, oil, and the white of eggs, which he every day applied to the leg.
This appears to be largely due to the slow formation of callus which is to make new cell connection between the cambium layers of host and of guest.
The callus on cuttings and root grafts is another evidence of the same phenomenon, for the cambium of the roots of a tree is continuous and identical with that of the branches.
Cuttings will sometimes be set up-side down, when we find the callus upon the smaller end, and roots will be emitted from that portion whence we should have expected to see the branches issue.
This callusmay form upon any cut surface, or even where the bark has been abraded.
With regard to Alfenus and Gallus, the scholiasts remained somewhat nearer the truth, for they had at hand a speech of Callus criticizing the former for his behavior at Mantua.
If Horace had obeyed his literary instincts alone he would probably have relegated Vergil at this period to the silence he accorded Callus and Propertius if not to the open hostility he expressed towards the Alexandrianism of Catullus.
And they must be held thus until they are quite firm and the callus is formed and have become solid.
The merit of a dressing is to keep the wound sound and healthy until the callus naturally covers it over.
When, for example, a displaced bone or a mass of callus is pressing upon the nerve, steps must be taken to relieve the pressure, by operation if necessary.
Excess of Callusafter Compound Fracture of Bones of 9 Forearm 5.
Firm union, with considerable formation of callus and some broadening of the shoulder, usually results, but the usefulness of the joint is not necessarily impaired.
The earliest shadow of callusappears in from fourteen to twenty-one days, and can hardly be relied upon till the fourth or sixth week.
In comminuted fractures, and in fractures in which there is much displacement, the amount of callus is in excess, but this is necessary to ensure stability.
Unless the dislocation is reduced at once, the movements of the arm are certain to be seriously restricted, and painful pressure effects from excess of callus are liable to ensue.
These movements are interfered with if union takes place in a bad position with angular or rotatory deformity of one or both bones, or if callus is formed in excess and causes locking of the bones.
In some cases the callus fuses the two bones across the interosseous space, and pronation and supination are rendered impossible.
When exuberant callus forms between the bones in fractures of the forearm, pronation and supination may be interfered with (Fig.
Union takes place more rapidly than in fracture, but, owing to the excessive formation of callus from the torn periosteum in front of the joint, full flexion is often interfered with.
This intermediate callus is the only permanent portion of the reparative material, the external and internal callus being only temporary, and being largely re-absorbed through the agency of giant cells.
Winkler, after the graft had taken, cut through the place of grafting, after which operation a callus formation occurred on the wound.
In the isolated leaf of Bryophyllum calycinum no callus formation takes place and hence no flow of the sap away from the leaf will occur.
An unusually large callus formed at the bottom, but the leaves shrivelled and the cutting is dead.
As a rule, the first apparent change in a cutting is the formation of a callus upon the lower end, and it is commonly supposed that this process must be well progressed before roots can form.
Or the cuttings taken in early fall may be planted immediately and be allowed to callus where they stand.
Hardy shrubs may be layered in the fall, either early or late, and if an incision is made, a callus will have formed by spring.
It is advisable to make them in the fall in order to allow them to callus before the planting season, and to forestall injury which might result to the parent plant from a severe winter.
The callus or connecting tissue spreads beyond its former limits when the wounds begin to heal.
This may have been too high, as on raising the cuttings it was found the callus had rotted.
Grafted walnuts show callus growth from the cambium, and also from the pith of stems and the endodermis of the root.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "callus" in a variety of sentences. We hope that you will now be able to make sentences using this word.
