This is generally found only with heart problems such as septal defects (holes in the cardiac septum) between the atria or ventricles.

FtsZ is a protein encoded by the ftsZ gene that assembles into a ring at the future site of the septum of bacterial cell division.

Grebes Order PodicipediformesFamily Podicipedidae Shearwaters and petrels Order ProcellariiformesFamily ProcellariidaeThe procellariids are the main group of medium sized true petrels , characterised by united nostrils with medium septum and a long outer functional primary.