Vertical section of bladder, penis, and urethra. Urachus is seen at top. The urachus forms from the distal end of the allantois in the embryo, and develops into a closed cord between the base of the bladder, and the navel. [1] . It drains the bladder of the fetus that joins and runs within the umbilical cord. [2] .

The urachus is the canal between the belly button and the bladder in a fetus which helps drain pee. This canal usually closes before birth. But sometimes it doesn’t develop and abnormalities may occur. If you have symptoms, it may include wetness around the belly button. Urachal abnormalities are treatable.

2025年1月6日 · What Is a Urachal Cyst and Is It Serious? A urachal cyst is a sac of tissue and fluid between the bladder and the belly button (umbilicus). The cyst forms in the remnants of the urachus, a structure normally present in a fetus that usually closes up before birth. The closure doesn't occur in some infants, causing a urachal cyst or sinus to form.

What is the urachus? The urachus is a remnant of a channel between the bladder and the umbilicus (belly button) where urine initially drains in the fetus during the 1 st trimester of pregnancy.

Problems with a urachal abnormality are rare. They can be seen in infants or children, and rarely in adults. It is unclear why this happens. What Happens Under Normal Conditions? As a baby develops, the bladder is formed in the lower belly of the growing fetus. This organ is joined with the umbilical cord by a thick cord called the urachus.

2024年10月10日 · Congenital urachal anomalies are a spectrum of potential anomalies that can occur due to incomplete involution of the urachus. A urachal remnant occurs in approximately 1 in 5000 patients.

2024年8月28日 · The urachus (plural: urachuses or urachi 6,7) is the fibrous vestigial remnant of the embryonic allantois. The lumen of the urachus usually obliterates following birth and becomes known as the median umbilical ligament which is in turn covered by a midline linear fibrous fold of parietal peritoneum (the median umbilical fold) 3.

2019年9月1日 · Urachal anomalies (UA) formation results from incomplete involution of this embryonic structure, leading to various pathologies. Congenital UA can be divided into five groups: patent urachus, umbilical-urachal sinus, vesicourachal diverticulum, urachal cyst, and alternating sinus.

Andressa de Faveri Urach (born 11 October 1987) is a Brazilian reality television personality, best known for being a contestant on the sixth season of A Fazenda, the Brazilian version of The Farm. [2]

2024年8月25日 · Andressa Urach, a model, businesswoman, and reality TV personality from Brazil, became well-known as a contestant on the Brazilian version of The Farm in its sixth season. We provide every detail about Andressa Urach, including her age, biography, height, weight, boyfriend, family, movies, affairs, education, parents, and more.