Aging, Telomeres and Torpor
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Who Knew? Urinary Bladder Capacity

Submitted by admin on Thursday, February 5 20094 Comments

The bladder holds approximately 250-350 cc of urine and when it’s completely full, about 600 ccs (17 ounces or so). In extreme circumstances, it can hold more but this would generally cause much pain and discomfort.

When the urine volume hits around 250 cc, the increased volume increases the pressure inside the bladder tiggering stretch receptors lining the walls of the bladder.

These stretch receptors signal the brain to relax the internal sphincter, and stimulate the detrusor muscles that forms the base of the bladder to contract. 

When we receive this urge to urinate, the external sphincter, which is under conscious control, now must work to prevent urination.

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4 Comments »

  • Travis Meals said:

    Great blog, Just wanted to comment that i can not connect to the rss stream, you might want install the right wordpress plugin for that to workthat.

  • admin (author) said:

    Thanks for letting me know – I’ll check into this and hopefully get this fixed asap! Glad you enjoyed some of the posts!

  • Kenton Relacion said:

    Exactly what I was looking for, regards for placing up.

  • Xbox 360 Wireless Adapter said:

    useful and informative. thank you for taking the time to put this up.

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