noun
definition
Either of the two long, narrow ducts that carry urine from the kidneys to the urinary bladder.
Examples of ureters in a Sentence
The ureters open into the fundus of the bladder as in some Rodents.
The next chamber, the urodaeum, is small, and receives in its dorso-lateral wall the ureters and the genital ducts; above and below this chamber is closed by circular folds, the lower of which, towards the ventral side, passes into the coating of the copulatory organ when such is present.
The di-calcium salt, Ca2H2(P04)2, occurs in a concretionary form in the ureters and cloaca of the sturgeon, and also in guano.
More detailed info Inflammation In a disease called retroperitoneal fibrosis (RPF ), the ureters can be narrowed by inflammation.
You also have two ureters which carry the urine from kidneys to bladder.
Retroperitoneal fibrosis Inflammation that involves the ureters and cause a blockage - obstruction.
Ureters can be obstructed anywhere along their course, though the ureterovesical valve is the most common place.
If, however, one of the ureters has a dead end, a stricture or stenosis (narrowing), or a leaky ureterovesical valve (between the ureter and bladder), infection is the likely result.
These include a situation in which two ureters leave a kidney, instead of the usual one (duplicated ureters) and in which the ureter is greatly enlarged at the end leading into the bladder (ureterocele).
Surgery for VUR consists of reimplanting the ureters into the bladder at a more normal angle.
This shows up on X-rays, and it can be followed traveling from the kidney, down the ureters into the bladder.
Ureters may also be malformed in a variety of ways-some harmful, others not.
Ureters can be duplicated completely or partially, they can be in the wrong place, they can be deformed, and they can end in the wrong place.
Duplication of ureters is quite common, either in part or completely.
Someone may have four kidneys and four ureters or two kidneys, half of each drained by a separate ureter, or a single kidney with two, three, or four ureters attached.