The figures shew that the lumen of the developing ureter is enclosed in front by an independent wall (fig.
A), but that further back the lumen is partly shut in by the subjacent Wolffian duct, while behind no lumen is present, but the ureter ends as a solid knob of cells without an opening into the Wolffian duct.
Three sections illustrating the formation of a ureter in a female embryo belonging to stage N.
A calculus had descended into theureter and had become incarcerated in it.
On this day I passed very turbid urine with a considerable quantity of gravel; however, in the region where the ureter dips into the bladder, I experienced an uncomfortable sensation, but was well otherwise.
The ureter serves as a duct for removing the secretion, while the blood supplies the materials from which the secretion is formed.
On making a longitudinal section of the kidney, the upper end of the ureter is found to expand into a basin-like enlargement which is embedded in the concave side of the kidney.
One of these is of great value, because it proves that a ureter may be accidentally ligatured and give rise to no symptoms.
Some surgeons who have divided a ureter have promptly removed the corresponding kidney; others have secured the proximal end in the upper angle of the abdominal incision and removed the kidney subsequently.
In the cases where the injury to a ureter has been overlooked in the course of the operation many difficulties arise before the true conditions are appreciated.
The most promising procedure consists in engrafting the proximal end of the cut ureter into the bladder.
The method of treating an injured ureter varies greatly and will depend not only on the extent of the damage, but also on the time at which it is recognized.
A ureter is sometimes transfixed by a needle and thread when sewing the layers of the broad ligament together in the course of a subtotal hysterectomy.
I have performed hysterectomy on 1,000 occasions and injured the ureter once; my patient had a narrow escape for life and lost a kidney.
It has happened that after nephrectomy for the cure of a ureteral fistula, the sequel of a ‘radical operation’, the remaining ureter became thoroughly blocked by recurrent growth and the patient died from anuria.
The primary treatment of an injury to a ureter in the course of a pelvic operation will depend in a large measure on the ability, judgment, and experience of the surgeon, as well as on the extent of the injury.
The ureter and pelvis of the kidney were distended with urine.
B, the walls of the bladder, showing the mode of fixing the ureter to its walls.
Each ureter has a slight swelling, the vesicula seminalis, on its outer side.
From the outer edge of each kidney a ureter arises and runs backward, opening into the cloaca on the dorsal side, opposite the opening of the urinary bladder.
According to the view of Remak and Koelliker the outgrowths from the ureter give rise to the whole of the tubuli uriniferi and the capsules of the Malpighian bodies, the mesoblast around them forming blood-vessels, etc.
The ureter does not long remain attached to the Wolffian duct, but its opening is gradually carried back, till (in the Chick between the 6th and 8th day) it opens independently into the cloaca.
The ureter which carries off the secretion of the kidney proper or metanephros.
In Batrachoseps only the first collecting tube becomes split off in this way; and it forms a single elongated ureter which receives all the collecting tubes of the posterior segmental tubes.
The ureter and the collecting tubes of the kidney are developed from a dorsal outgrowth of the hinder part of the Wolffian duct.
These ingrowths, after separating from the peritoneal epithelium, unite together to form a cord into which the ureter sends the lateral outgrowths already described.
It is however quite possible, though far from certain, that the ureter of Amniota may be a special formation confined to that group, and this fact would in no wise militate against the homology I have been attempting to establish.
The ureter (d), which has the same fundamental constitution as in the female.
Disease of the ureter or bladder, preventing the escape of urine from the kidney and causing increased fullness and tension in its pelvis and tubes, will determine inflammation.
The anterior surface of both arteries is covered by the peritoneum, and each is crossed by the ureter just as it bifurcates into its branches.
The ureter generally gives no trouble, as in pressing back the peritoneum it is adherent to it, and is removed along with it towards the middle line.
These are in the pelvis or portion of the ureter receiving the urine.
The bladder and ureter were like those of a man who had long suffered from stricture.
When, however, the sand forms concretions in the pelvis of the kidney, their dislodgment and passage through the ureter are accompanied by the well-known agonies of renal colic.
In renal calculus the pain is situated in the course of the ureter and shoots down to the pubes and thighs.
The pain may be agonizing in character, which starts in the flank of the affected side, passes down along the course of the ureter and is felt in the testicle and along the inner side of the thighs.
Calculi or stones are removed from the gall bladder, gall ducts, kidneys, ureter and bladder by operations, when it has been ascertained that the patient cannot "pass them.
Sometimes a kink of the ureter of a movable kidney causes hydronephrosis.
Anomalies of the excretory ducts: in some cases the ureter is double, in others it is greatly dilated; in others the pelvis of the kidney may be greatly dilated, with or without dilatation of the ureter.
Renal colic is the acute pain felt when a small stone is travelling down the ureter to the bladder.
Regurgitation, however, is prevented by the fact that the ureter runs for nearly one inch obliquely through the bladder wall before opening into its cavity, and thus an efficient valve is produced.
A calculus blocked the ureter at its commencement.
The only well authenticated case in which the ureter alone was divided is the historic injury of the Archbishop of Paris, who was wounded during the Revolution of 1848, by a ball entering the upper part of the lumbar region close to the spine.
Penrose, assisted by Baldy, has performed this operation after excision of an inch of the left ureter for carcinomatous involvement.
In cases of malignant growth, theureter has been purposely divided and transplanted into the bladder.
Watson has, however, reported two cases of stricture, in both of which a ureter was nearly or quite obliterated by a dense mass of connective tissue.
Unsuccessful attempts were made to extract the ball, and as there was no urine in the bladder, but a quantity escaping from the wound, a diagnosis of divided ureter was made.
There was a compound, transverse rupture of the left kidney, which was twice as large as usual, the ureter also being of abnormal size.
Lediberder reports a case in which the ureter had double origin.
Stricture of the ureter is also a very rare occurrence except as a result of compression of abdominal or pelvic new growths.
McClellan records a case of penetration of the ureter by the careless use of a catheter.
Butler speaks of an individual with a single kidney who suffered suppression of urine for thirteen days, caused by occlusion of the ureter by an inspissated thrombus.
To the naked eye there is no distinction in structure between the part of the so-called kidney in front of the ureter and that in the region of the ureter.
Just in front, however, of the point where the ureter ends the true kidney substance rapidly thins out, and its place is taken by a peculiar tissue formed of a trabecular work filled with cells, which I shall in future call lymphatic tissue.
It is throughout closely attached to the ureter and placed on its inner, and to some extent on its ventral, aspect.
The ureter (d) which carries off the secretion of the kidney proper.
It is circumscribed by its proper walls only dorsally and laterally; its floor being formed in the case of the front ureter by the Wolffian duct, and in the case of each succeeding ureter by the dorsal wall of the ureter in front.
During stage M the original openings of the segmental tubes into the Wolffian duct appear to me to become obliterated, and at the same time the lumen of each ureter is prolonged into the ridge of cells on the dorsal wall of the duct.
In the hindermost of these (3C) is seen the solid terminal point of a ureter, while the same ureter possesses a lumen in the two previous sections, but exhibits no signs of opening into the Wolffian duct.
Any section through the kidney in the region of the ureter suffices to shew that in this part the kidney is really formed of uriniferous tubuli with numerous Malpighian bodies.
It is a small, flask-shaped vesicle without any physiological significance, which opens into the ureter between the two spermaducts and the prostate folds (vesicula prostatica).
At first in the oldest Amniotes this ureter opens into the cloaca together with the last section of the nephroduct, but afterwards separately from this, and finally into the permanent bladder apart from the rectum altogether.
When a stone has advanced into the ureter from the pelvis of the kidney, it is sometimes liable to be returned by the retrograde motion of that canal, and the patient obtains fallacious ease, till the stone is again pushed into the ureter.
It is distinguished from nephritis, as it is seldom attended with vomiting, I suppose never, except the ureter happens to be inflamed at the same time.
When attended with pain on motion, it is owing to a bit of gravel in the ureter or pelvis of the kidney; which is a much more frequent disease than the former.
If a stone sticks in the ureter with incessant vomiting, ten grains of calomel must be given in small pills as above; and some hours afterwards infusion of senna and salts and oil, if it can be made to stay on the stomach.
The pain in the loins and along the course of the ureter from a stone is attended with retraction of the testicle in men, and numbness on the inside of the thigh in women.
In man the parasites and ova have been found in the minute veins of the bladder, ureter and pelvis of the kidney (more rarely in other organs), where they infest the mucous and submucous tissues.
The vas deferens descends with many undulations down the lateral side of the ureter of the same side, and opens upon a small papilla into the urodaeum.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ureter" in a variety of sentences. We hope that you will now be able to make sentences using this word.
