Tonsil is derived from:: (A) 1st pouch, (B) 2nd pouch, (C) 3rd pouch, (D) 4th pouch
Answer is B. Ans. B. 2nd pouchPharyngeal PouchDerivatives1Tympanic (middle ear) cavity Auditory (eustachian) tube2Palatine tonsils Tonsillar fossa3Inferior parathyroid gland Thymus4Superior parathyroid gland uitimobranchial body (parafollicular cells of the thyroid gland)