Pharyngeal Pouches Flashcards
1
Q
2nd pharyngeal pouch:
A
Palatine tonsils (colonises lymphoid precursors) Tonsillar fossa
2
Q
3rd pharyngeal pouch:
A
Inferior parathyroid gland (dorsal part)
Thymus (ventral part)
3
Q
4th pharyngeal pouch
A
Superior parathyroid (dorsal part) Ultimobranchial body forms parafollicular cells of thyroid
4
Q
1st pharyngeal pouch
A
Primitive tympanic cavity and auiditory tube