Some people are born with more than 24 ribs. These extra ribs are called supernumerary ribs. When people are born with less than 24 ribs, it is called agenesis of the ribs. To get an idea of how ...

These can take the form of too many ribs (supernumerary ribs) or too few (agenesis of ribs). Cervical rib is a genetic mutation which causes some people to be born with one or two extra ribs ...

Supernumerary ribs are typically seen in two places: the neck or the lumbar region (lower back). An estimated 1% of the population has an extra rib – though when it comes to an extra neck rib ...

Some people are born with extra bones, organs or genitalia they might not even be aware they have. Supernumerary ribs are typically seen in two places: the neck or the lumbar region (lower back). An ...