IMMUNOLOGY

Detailed explanation-1: -It is bounded anteriorly by the symphysis menti, posteriorly by the posterior edge of the submandibular gland, laterally by the inner surface of the mandible, and medially by the digastric muscle. These boundaries form a triangular region also termed the submandibular triangle.

Detailed explanation-2: -Your lymphatic system is a network of organs, vessels and lymph nodes situated throughout your body. Many lymph nodes are located in your head and neck region. Lymph nodes that frequently swell are in this area, as well as in your armpits and groin area.

Detailed explanation-3: -The occipital lymph nodes are located in the back of the head, near the occipital bone of the skull. Much like other lymph nodes located throughout the body, the occipital lymph nodes play an active role in the body’s immune defense system.