Centuries: 1st century - 2nd century - 3rd century
Decades: 120s - 130s - 140s - 150s - 160s - 170s - 180s - 190s - 200s - 210s - 220s
170 171 172 173 174 175 176 177 178 179
Events:
... male, the urethra is about 8 inches (200 mm) long and opens at the end of the penis. Medical problems of the urethra: Hypospadias[?] is a form of abnorma ...