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Weigert-Meyer rule
Also known as:
Weigert-Meyer law
Associated persons:
Robert Meyer
Carl Weigert
Description:
Applies to duplex collecting systems, when complete, duplicated ureters insert separately into the bladder. The Weigert-Meyer rule states that. the upper pole ureter is the ectopic ureter and its orifice inserts inferomedially in the bladder in relationship to the lower pole normal ureter.
Or: When duplicated ureters insert separately into the bladder, the laterocranial ostium corresponds to the caudal renal pelvis and the medio caudal ostium the cranial renal pelvis.
Bibliography:
- C. Weigert:
Über einige bildungsfehler der ureteren.
[Virchows] Archiv für pathologische Anatomie und Physiologie und für klinische Medizin, Berlin, 1877, 70: 490.
- R. Meyer:
Zur anatomie und entwicklungsgeschichte der ureterverdoppelung.
'
Virchows Archiv für pathologische Anatomie und Physiologie und für klinische Medizin, Berlin, 1907, 87: 408.
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