They're about the size of a bean and located under the dog's jaw, at his collarbone, in his armpits and groin, and at about the midpoint of his rear legs. When something is wrong in the body, the lymph nodes swell as they help fight infection or injury.

Do dogs armpits stink?

Shorter-snouted dogs, like Pugs, tend to have a lesser capacity for smells than long-snouted dogs. It's also not uncommon for your dog to seek out your scent while you're away. They enjoy your particular aroma and may look for your worn clothes or bedding in your absence.

Are dogs legs or arms?

While dogs technically do not have arms, they do have elbows and wrists. Their elbows and wrists are part of the front leg anatomy. The front legs are also called forelegs. Like humans, the foreleg is made up of the radius and ulna.