<prompt> Lymphatic drainage of thyroid gland is mainly -Sublingual nodesSubmandibular nodesDeep cervical nodesSubmental nodes  <response>: Ans. is c i.e., Deep cervical nodes Lymphatic drainage of thyroido Lymph from the upper part of the gland reaches the upper deep cervical lymph nodes either directly or through the prelaryngeal nodes.o Lymph from the lower part of the gland drains to the lower deep cervical nodes directly, and also through the pretracheal and paratracheal nodes. 