Calves are young cattle. A calf is a child of a cow and a bull. The plural is calves. Calf meat is called veal. Fine calf skin used for pages in early codexes is called pergamon.
... the vaginal opening.
In the human male, the urethra is about 8 inches (200 mm) long and opens at the end of the penis.
Medical problems of the urethra:
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