Conversation so far:
where does the vas deferens join the urethra
The vas deferens connects the epididymis to the urethra near the point where the seminal vesicles empty and join with it to form the ejaculatory duct.
where does the bladder join the urethra
The male urethra connects the urinary bladder to the penis.
what does the female urethra connect to
In anatomy, the urethra is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body of both females and males.

Question: can the tube get infected
Self-contained rewrite: can the urethra get infected