Hmmm... I looked it up in one of my textbooks, and found this:
During an erection, the bulbourethral gland on a dog's penis can swell so much it is too wide to retract into the sheath.
Bulbourethal...
Type: Posts; User: *LabLoverKEB*; Keyword(s):
Hmmm... I looked it up in one of my textbooks, and found this:
During an erection, the bulbourethral gland on a dog's penis can swell so much it is too wide to retract into the sheath.
Bulbourethal...
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