Which among the following is not a part of Waldeyer ring:
Ans: d (Thyroid gland) Ref: Dhingra 4th ed p 223Scattered lymphatics in the subepithelial layer of pharynx forms masses at certain places, collectively termed as waldeyer ring.The masses are:1) Nasopharyngeal tonsil (Adenoids)2) Palatine tonsil3) Lingual tonsil4) Tubal tonsil (in fossa of Rossen Muller)5) Lateral pharyngeal band6) Nodules in posterior pharyngeal wall.
Lingual tonsil
Palatine tonsil
Adenoids
Thyroid gland
Oral Cavity