The nael is tae the maist pairt an aur caused at birth bi the sneddin aff o the naelstring fae a newborn wean. The aur can be aither a wee howe (whiles colloquially cried a "innie") or as a wee knab (cried a "ootie").

Navel
The nael is a protrudin, flat or howed scaur left efter the umbilical cord detaches.
Details
PrecursorUmbilical cord
Ductus venosus
ArteryUmbilical airtery
VeinUmbilical vein
Identifiers
LaitinUmbilicus
TAA01.2.04.005
FMA61584
Anatomical terminology