1. Initial bladder volume Bladder stimulation rate Outflow resistance
Flow, ml.s-1 20 15 10 5
Flow, ml.s-1 s
Flow, ml.s-1 25 20 15 10 5 s s
Detrusor press, cm H2O
Flow ml.s-1
Detrusor press, cm H2O
17.5
Detrusor press, cm H2O 15 10 5 15 10 5
Flow ml.s-1
Flow ml.s-1

2. A B sym cortex inter - + detrusor M region para Area1 Area 2 Area 1
Contracts sphincter
Contracts bladder
Contracts sphincter
Contracts bladder B
sym
cortex
inter - +
detrusor
M region
para

3. Intermediolateral column
Sacral sensory
input
Cortex
Uro-control
Thoracolumbar
sensory input
Thoracolumbar
M-region
Intermediolateral column
L-region
Onuf’s nucleus
Pelvic floor motoneurones

4. A
bladder B
ureter
siphon