<unk>  causes closure of the posterior<unk>  in the nasal cavity. Around 30% of these affect just the bone, while around 70% affect both bone and membranes. Bones affected can include the body of the sphenoid bone, the vomer, the medial pterygoid process of the sphenoid bone, and the horizontal plate of the palatine bone.
Choanal atresia
Hypospadias
Duodenal atresia
Intestinal atresia
Gastric atresia
Cloacal exstrophy
Gastroschisis
Diaschisis