Each vertebra is numbered and grouped into 5 regions. Diagram. There are 7 cervical vertebrae in the cervical region. There are 12 thoracic vertebrae in the thoracic region. There are 5 lumbar ...

These ribs attach to the thoracic vertebra of the spinal column in the ... Most people have the same number of ribs, regardless of their sex. However, researchers have noted that although they ...

Dr Lee explained: “There are 12 bones in your mid and upper back numbered T1 to T12, and they’re known as your thoracic vertebrae. “The top bone (TI) attaches to your neck and is made up of ...

All seven cervical vertebrae are numbered. The C1 ... of the atlas and extends past the cervical spine to the third thoracic vertebra. This muscle is broad in the middle but narrow where it ...

The average human is born with the same number of ribs regardless of gender. The ribs articulate with the thoracic vertebra. For example, the first rib, or rib 1, is the most significant and ...

Of particular note is the number neck (cervical) and back (thoracic and lumbar) vertebrae of mammals. "Nearly all mammals have the same number of cervical vertebrae, no matter how long or short ...

such as thoracic outlet syndrome, due to misplaced or crushed nerves, muscles and blood vessels. The only mammals which have evolved different numbers of neck vertebrae without any apparent ...

vertebrate numbers do feature some variety among mammals. While most mammals have 26 or 27 cervical, thoracic and lumbar vertebrae, humans have 24 CTL vertebrae. Previous attempts to decipher the ...