#Urachus
Me flirting: Hey! NICE ABS!
Did you know that your belly button is attached to an organ and not just a floating tummy SpaghettiO?
Well, URINE for a treat!

It’s attached to your BLADDER by a tube (urachus ligament)! Rarely, our human balloon knot can reopen and urine can leak out of it!

Neat-o!
December 26, 2025 at 4:05 AM
I have this - I've also looked into it and while it may not be common, there are plenty of other people that do. The theory is it's to do with the urachus, which is a foetal structure connecting the umbilicus with the bladder, & in some people stays "wired up".
December 28, 2024 at 9:03 PM
I have this - I've also looked into it and while it may not be common, there are plenty of other people that do. The theory is it's to do with the urachus, which is a foetal structure connecting the umbilicus with the bladder, & in some people stays "wired up".
December 28, 2024 at 9:02 PM
The urachus which feels like a made up word
October 8, 2024 at 4:53 PM
Initially, they thought it was an infection. But we eventually learned he had a patent urachus. Basically, there's a tube that connects the bladder to the belly button in utero, which is supposed to disappear around 4-5 month gestation never did.

It affects about 1 in 5000 births.
February 12, 2025 at 11:08 PM
Thinking about the urachus
December 23, 2024 at 7:00 AM
Told my mom the surgery date, but not that its a hysterectomy lolol.

She wont ever know n i'm so happy bout that. She knows it's for endo/fibroid/urachus but she doesn't need to know more!
a raccoon with its tongue out is making a funny face .
Alt: a raccoon waving its paws and head, tongue stinking out making fun/teasing "neener neener neener"
media.tenor.com
August 11, 2025 at 8:20 PM
Before birth, your belly button and bladder are connected through a tube called the urachus that (normally) closes into a ligament, since in utero the belly button is the port in and out, so it’s always made sense to me that you’d feel that after I looked it up after noticing the phenomenon myself
December 28, 2024 at 10:33 PM
Okay, I looked it up, and it’s not as bad as I imagined. It’s just issues with your urachus, which is apparently a thing that we have.
September 21, 2025 at 7:27 AM
สะดือหนาเพราะอะไร?
ต้องย้อนกลับไปตั้งแต่เราอยู่ในท้องแม่

ตอนอยู่ในครรภ์เราจะมีท่อเล็กๆ ที่เชื่อมระหว่างกระเพาะปัสสาวะกับสะดือ ที่เรียกว่า Urachus ใช้เพื่อขับถ่ายของเสีย พอเราคลอดออกมา ไอ้ท่อนี้ก็จะปิดไป เหลือเป็นซากอารยธรรมเป็นเส้นพังผืดหนาๆ + กับแผลเป็นตอนที่โดนตัดสายสะดือ ที่บางคนอาจจะสะดืออักเสบหรือสะดือเปียกจากที่ Urachus ยังปิดไม่สนิท ก็เลยทำให้ผิวตรงนี้หนาขึ้นได้อีก
April 19, 2026 at 1:22 AM
This USMLE Step 1 question set focuses on high-yield fetal-to-postnatal circulatory transitions, including shunts like the ductus arteriosus, foramen ovale, and ductus venosus, as well as the umbilical vessels and urachus. Questions are clinically oriented, exam-style, and emphasize mechanism-based
U01.07.004 Fetal circulation
High-yield USMLE Step 1 multiple-choice questions on fetal circulation and postnatal derivatives, covering ductus arteriosus, foramen ovale, ductus venosus, umbilical vessels, allantois/urachus, and their clinical correlations.
mymedschool.org
February 11, 2026 at 4:51 PM
Fun fact: sometimes the urachus doesnt close and become a ligament properly, resulting in urine leaking from the belly button
my.clevelandclinic.org/health/body/...
September 23, 2025 at 6:51 PM
Fun fact: ever wonder what your belly button is attached to?

That would be the bladder via the urachus (a ligament that connected the bladder to the umbilicus in utero)
cancer.gov/publications...
Image: medlineplus.gov/ency/present...
September 22, 2025 at 9:04 PM
learn all the exciting facts about belly piss today
Urachal Abnormalities
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 1st trimester of pregnancy. The
urology.ucsf.edu
February 22, 2024 at 1:20 PM
From prenatal detection to postnatal evaluation: a retrospective observational ultrasound study of patent urachus with allantoic cyst - BMC Pregnancy and Childbirth: From prenatal detection to postnatal evaluation: a retrospective observational ultrasound study of patent urachus with allantoic cyst…
From prenatal detection to postnatal evaluation: a retrospective observational ultrasound study of patent urachus with allantoic cyst - BMC Pregnancy and Childbirth
From prenatal detection to postnatal evaluation: a retrospective observational ultrasound study of patent urachus with allantoic cyst  BMC Pregnancy and Childbirth
news.google.com
May 27, 2025 at 7:29 PM
Urachus
November 11, 2024 at 11:32 AM
I can see the urachus
March 28, 2026 at 1:05 AM
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen's Disease
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen's Disease
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen's Disease
pubmed.ncbi.nlm.nih.gov
June 23, 2025 at 12:57 PM
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen’s Disease - Cureus
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen’s Disease - Cureus
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen’s Disease - Cureus
news.google.com
May 21, 2025 at 12:56 PM
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen’s Disease - Cureus
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen’s Disease - Cureus
Solitary Plexiform Neurofibroma in the Urachus Associated With von Recklinghausen’s Disease - Cureus
news.google.com
May 21, 2025 at 8:56 AM
PATENT URACHUS due to failure of ALLANTOIS obliteration → URINE drainage through the umbilicus.
February 12, 2025 at 10:17 PM