Lymph nodes along the inferior border of the submandibular gland. Drains from submental nodes; facial nodes; lymphatic vessels from the submandibular and sublingual regions into superior deep cervical nodes; juguloomohyoid node. Region drained is anterior part of tongue, lower lip, floor of the mouth, nose, cheeks, chin, gums and lower incisor teeth, lower surface of palate.
Submental nodes receive drainage from adjacent skin, lips, floor of the mouth, and drain to the submandibular nodal group.
Submandibular nodes are extra glandular and receive drainage from anterior face, flow of the mouth, anterior oral cavity, and submental nodal group. Drainage is to the high internal jugular chain.