What's Under My Jaw?

Lymph nodes are part of the network of your immune system that help protect your body from illnesses. Many are located in the head and neck, including under the jaw and chin. Lymph nodes are small and flexible. They can be round or bean-shaped.

What are the things under your jaw?

The glands (lymph nodes) on either side of the neck, under the jaw, or behind the ears commonly swell when you have a cold or sore throat. More serious infections may cause the glands to enlarge and become very firm and tender.

What are the two things under your jaw?

Submandibular glands -- These two glands are located just under both sides of the lower jaw and carry saliva up to the floor of the mouth under the tongue. Sublingual glands -- These two glands are located just under the front most area of the floor of the mouth.