Micturition

3. Brainstem center that coordinates the micturition reflex
5. Sympathetic nerve that helps store urine
9. Phase when detrusor is relaxed and urine is stored
10. Hollow organ that stores urine
12. This part of the autonomic nervous system promotes urine storage by inhibiting detrusor contraction and stimulating internal sphincter contraction

1. Phase triggered by bladder stretch and leads to urine release
2. Type of receptor on the detrusor muscle that binds acetylcholine to cause contraction
4. Nerve that controls the external urethral sphincter
6. Parasympathetic nerve involved in voiding
7. Type of muscle in the external urethral sphincter
8. The tube through which urine exits the bladder to the outside of the body
11. Smooth muscle layer in the bladder wall that contracts during micturition (8 letters)