what is a body wave a seismic wave that moves through the interior of the earth, as opposed to surface waves that travel near the earth's surface. Advertisement
Quick Answer. Some possible causes of submandibular gland swelling are salivary stones, salivary gland infection and other viral infections, according to WebMD. Other possible but less commonly causes of swelling of the submandibular glands are cysts or tumors. Continue Reading.
submandibular lymph nodes. The submandibular lymph nodes sit between the submandibular salivary glands, which are underneath the tongue, and the mandible, or lower jawbone. Occasionally one or more of the lymph nodes may be embedded deep within the salivary gland. The lymphatic system is part of the immune system, which helps the body fight diseases and other harmful agents.