Pharyngeal arch question, or more easily understood as a DiGeorge question... The thymus arises from the 3rd arch, which is why in DiGeorge (loss of 3rd/4th) you have no thymus
submitted by โan_improved_me(91)
Pharyngeal arch question, or more easily understood as a DiGeorge question... The thymus arises from the 3rd arch, which is why in DiGeorge (loss of 3rd/4th) you have no thymus