Centuries: 1st century BC - 1st century - 2nd century
Decades: 30s - 40s - 50s - 60s - 70s - 80s - 90s - 100s - 110s - 120s - 130s
80 81 82 83 84 85 86 87 88 89
Siginificant People
... The external urethral sphincter is the skeletal muscle that allows voluntary control over urination. In the human female, the urethra is about 1-1.5 inches (25-38 mm) ...