BETA
Chapter 1
The kidneys as filtration masterminds
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Chapter 2
Storage and transit in the bladder
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Chapter 3
The differences in exit pathways
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Chapter 4
The brain and bladder conversation
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YOUR GOAL
Master of The human urinary system
Ch 4 · The brain and bladder conversation
renaissanceman Sort waste from vital nutrients to learn how kidneys filter and refine your blood.
renaissanceman A specialized region in the brainstem coordinates the conscious decision to urinate.
Glossary
micturition (noun)
The act or process of discharging urine from the bladder. British physiologist F.J.F. Barrington identified the brainstem nucleus regulating this neural pathway in 1921.
The act or process of discharging urine from the bladder. British physiologist F.J.F. Barrington identified the brainstem nucleus regulating this neural pathway in 1921.
Quiz
How does the sympathetic nervous system react to the bladder during a fight or flight stress response?
Fun Fact
Sleep signals: During sleep, your brain releases more anti-diuretic hormone to concentrate your urine so you do not have to wake up.
Quiz
Which nerves carry the stretch sensations from the bladder wall to the lower spinal cord?
Quiz
Why does drinking caffeine or alcohol make you need to urinate more frequently?
Quiz
Which part of the brainstem coordinates the signals to either hold or release urine?
Quiz
What hormone, also known as vasopressin, tells the kidneys to reabsorb more water?
Quiz
What is the scientific term for the process of urinating or emptying the bladder?
Quiz
At what bladder volume do the stretch receptors typically start sending the first mild signals to the brain?