Final answer:
The lymph nodes that receive lymph from the chin and tip of the tongue are located in the submandibular triangle of the neck. This triangle is below the lower jaw and contains important structures such as salivary glands, lymph nodes, blood vessels, and nerves.
Step-by-step explanation:
The lymph nodes that receive lymph from the chin and tip of the tongue are located in the submandibular triangle of the neck.
The submandibular triangle is one of the subdivisions of the anterior cervical (neck) triangle, along with the submental and carotid triangles. It is located below the lower jaw, between the anterior bellies of the digastric muscles. This triangle contains important structures such as the submandibular salivary gland, lymph nodes, blood vessels, and nerves.
When examining the chin and tip of the tongue, doctors often check the submandibular lymph nodes for any signs of infection or pathology.