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Encyclopedia > Urachus
Vertical section of bladder, penis, and urethra.
Urachus is #1
Gray's subject #252 1213
MeSH Urachus
Dorlands/Elsevier u_03/12837658

The vesico-urethral portion of the urogenital sinus absorbs the ends of the Wolffian ducts and the associated ends of the renal diverticula, and these give rise to the trigone of the bladder and part of the prostatic urethra. Image File history File links Download high-resolution version (730x700, 175 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Urinary bladder Scrotum Prostate Foreskin Bulbourethral gland Pubic symphysis Seminal vesicle Vas deferens Ejaculatory duct Corpus spongiosum Wikipedia... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... The urogenital sinus (also known as the persistent cloaca) is a part of the human body while it is an embryo. ... The Wolffian duct (also known as archinephric duct, Leydigs duct, and the mesonephric duct) is an paired organ found in mammals including humans during embryogenesis. ... The prostatic urethra, the widest and most dilatable part of the canal, is about 3 cm. ...

The remainder of the vesico-urethral portion forms the body of the bladder and part of the prostatic urethra; its apex is prolonged to the umbilicus as a narrow canal, which later is obliterated and becomes the median umbilical ligament (urachus). Note: The two medial umbilical ligaments are the obliterated umbilical arteries. This article or section does not cite its references or sources. ... The median umbilical ligament is a structure in human anatomy. ... The umbilical artery is a paired artery (with one for each half of the body) that is found in the abdominal and pelvic regions. ...

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. The Family Practice Notebook is a medical database focused on family practice. ... eMedicine is an online clinical medical knowledge base that was founded in 1996. ... This article or section is in need of attention from an expert on the subject. ... University of Lausanne, museum and library The University of Lausanne (in French: Université de Lausanne) or UNIL in Lausanne, Switzerland was founded in 1537 as a school of theology, before being made a university in 1890. ... University of Berne The University of Berne is a university in the Swiss capital of Berne. ... The University of Fribourg (French: Université de Fribourg; German: Universität Freiburg) is a university in the city of Fribourg, Switzerland. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy after Henry Gray, is an anatomy textbook widely regarded as a classic work on human anatomy. ...

  Results from FactBites:
TheFetus.net - Completely patent urachus -William Meyer, MD*, Daniel Gauthier, MD, Andre Bieniarz, MD, Steven Warsof, ... (1191 words)
The umbilical artery (a) and vein (v) are adjacent to the urachus.
Embryologically, the urachus is a derivative of the allantois.
In the previously described cases where patent urachus was diagnosed prenatally, the umbilical cord cyst was seen to decrease in size as the gestation advanced.
  More results at FactBites »



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