Originally Posted by
Whizz
Hey. What you felt are your epididymis. They go from the top, round the back of the testicle and to the bottom. If you feel the bottom, towards the back you'll feel a similar thing (people refer to it as if it feels like a "bag of worms"). The epididymis can also feel firm especially with the infection. Also note that the more you prod it, the firmer it will feel.
By all means speak to your doc for peace of mind. It's also good you check yourself as it gives you an idea to what is normally there. 👍