Example image of eyePlorer eyePlorer map for 'Urination': Urethra Urinary bladder Urine Infant Involuntary Reflex Kingdom (biology) Spraying (animal behavior) Submissive Autonomic nervous system Central nervous system Somatic nervous system Cerebral cortex Periaqueductal gray Pontine micturition center Detrusor urinae muscle Lumbar Parasympathetic nervous system Sacral Smooth muscle Spinal cord Sympathetic Pelvic nerve External sphincter muscle of urethra Onuf's nucleus Pudendal nerve Internal sphincter muscle of urethra Transitional epithelium Defecation Sympathetic nervous system Elimination communication Cystometry Laplace's law Diuresis Bulbospongiosus muscle Human abdomen Immersion diuresis Post-micturition convulsion syndrome Paruresis Anuria Benign prostatic hyperplasia Dysuria Interstitial cystitis/painful bladder syndrome Oliguria Overactive bladder Prostatitis Urinary incontinence Urinary retention Urinary tract infection Penis