What are the two lumps between my dog's penis and testicles?

by Tierre

My Staffordshire Terrier is 1 year 1 month old. Very smart energetic and loves to eat whatever we're eating. So much so he'll walk away from his food until almost starvation. He can be very stubborn.

Two days ago he woke up and there were 2 extra testicles. He wasn't sensitive to the touch of them so we went outside for release and they disappeared. Now every time he wakes it's swollen until release. He has a visit scheduled for vaccine updates so we'll discuss with our Vet but your expertise is welcomed.

Comment from Our Editor on "2 Extra Testicles"

Hi Tierre,

The condition is probably being caused the bulbus glandis, also known as the "knot," which is a part of a male dog's anatomy that can swell and become more noticeable during sexual excitement or arousal. The bulbus gland is is located at the base of the penis and is involved in mating. When a male dog becomes aroused, blood flow to the area increases, causing the bulbus glandis to swell. This helps to lock the male and female dogs together during mating.

It's possible that the swelling you observed in your dog's testicles could have been caused by the bulbus glandis swelling during arousal. However, it's always best to have your dog evaluated by a veterinarian to rule out any other underlying health issues. The vet will be able to perform a physical examination, order any necessary tests, and recommend appropriate treatment options.


Editor, Dog Health Guide

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