Submandibular lymph nodes
Submandibular lymph nodes are a group of lymph nodes located beneath the mandible or lower jaw, in the human body. They are part of the lymphatic system, which plays a crucial role in the body's immune response.
Anatomy[edit | edit source]
The submandibular lymph nodes typically number between three to six and are situated beneath the body of the mandible in the submandibular triangle, a region of the neck. They lie superficial to the submandibular gland, a major salivary gland, and are surrounded by a fibrous capsule.
Function[edit | edit source]
The primary function of the submandibular lymph nodes, like other lymph nodes, is to filter lymph, a clear fluid that circulates through the lymphatic system carrying cells that help fight infection and disease. These nodes specifically drain lymph from portions of the face, the anterior tongue, the oral cavity, the lips, and the nose.
Clinical significance[edit | edit source]
Submandibular lymph nodes can become enlarged or inflamed in response to infection or disease in the areas they drain. This condition is known as lymphadenopathy. Enlargement of these nodes is often noticed during a physical examination and can be a sign of various conditions, including oral cancer, lymphoma, tuberculosis, or mononucleosis.
See also[edit | edit source]
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Contributors: Prab R. Tumpati, MD