thoraco-

thoraco-

combining_form

Combining form representing Greek thōrāk- (stem of thṓrāx ) chest; see -o-

The thoraco-lumbar vertebrae are never less than twenty-two in number and are usually twenty-three.

Ossified inter centra occur in the thoraco-lumbar region of the vertebral column.

In the Marsupialia there are always nineteen thoraco-lumbar vertebrae, thirteen of which generally bear ribs.

In the Chiroptera there are seventeen or eighteen thoraco-lumbar vertebrae, eleven to fourteen of which may bear ribs.

In Glyptodon almost all the thoraco-lumbar vertebrae are completely ankylosed together.

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