Where is the tonsillar lymph node typically located?

The tonsillar lymph node, also known as the jugulodigastric lymph node, is typically located at the angle of the mandible. This area is significant because it drains lymphatic fluid from the palatine tonsil, as well as parts of the oropharynx and tongue.

The tonsillar node’s location at the angle of the mandible allows it to be accessible for clinical examination, making it an important landmark in assessing infections or malignancies in related regions of the head and neck. The anatomical position contributes to the function of these lymph nodes in filtering lymph and serving as a site for immune response.

On the other hand, the other mentioned locations do not specifically correspond to the typical anatomical site for the tonsillar lymph node. The C6 vertebrae refers to a level in the cervical spine, while the jugulo-omohyoid crossing is associated with a different set of lymph nodes that drain other areas, including the oral cavity and parts of the neck. The jugulodigastric crossing does relate to lymph nodes, but it is more accurately defined by its proximity to the angle of the mandible.