DEEP CERVICAL LYMPH NODES
Small, deep cervical lymph nodes are occasionally found in the vicinity of the thyroid gland and the cervical portion of the trachea. They receive afferents from the larynx, thyroid glands, trachea, esophagus, and the cervical vertebrae.
They send their efferents from the cranial caudally to others in the chain and thence the thoracic duct, tracheal trunk, or cranial mediastinal lymph node. The cranial node of the group is located between the caudal end of the medial retropharyngeal lymph node and the thyroid gland, either dorsomedially to the gland along the carotid sheath or on the pharynx cranial to the thyroid. The middle node is positioned along the carotid sheath or ventral to the trachea, in the middle third of the neck.The caudal node lies on the ventral surface of the caudal third of the cervical trachea.
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