Eustachian tube develops from:
Pharyngeal Pouch Derivatives 1 Tympanic (middle car) cavity, auditory (eustachian) tube 2 Palatine tonsils, tonsillar fossa 3 Inferior parathyroid gland, thymus 4 Superior parathyroid gland, ultimobranchial body (parafollicular C cells of thyroid)
2nd and 3rd pharyngeal pouch
1st pharyngeal pouch
2nd pharyngeal pouch
3rd pharyngeal pouch
FMGE 2018