embryo
• absent
|
• the second arch arteries are reduced in size
|
• absent
|
• absent
|
cardiovascular system
• dorsal aortae originate directly from the aortic sac
|
• absent
|
• the second arch arteries are reduced in size
|
• absent
|
• absent
|
craniofacial
• absent
|
• the second arch arteries are reduced in size
|
• absent
|
• absent
|