thoraco-

1. a combining form representing thorax in compound words:

   thoracoplasty.

thoraco-

combining_form

1. thorax

   thoracotomy

Word History and Origins

Origin of thoraco-¹

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

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

Words That Use thoraco-

What does thoraco- mean?

Thoraco– is a combining form used like a prefix meaning “thorax.” The thorax is the part of the body between the neck and the abdomen—in other words, the chest. In insects, the thorax is the area between the head and the abdomen. It is occasionally used in medical terms.

Thoraco– ultimately comes from Greek thṓrāx, meaning “breastplate.” One Latin word with a similar meaning was pectus, meaning “chest” or “breast,” which is the source of expectorate, parapet, and pectoral. Learn what these words have to do with the chest by checking out each of the three entries.

What are variants of thoraco-?

When combined with words or word elements that begin with a vowel, thoraco- becomes thorac–, as in thoracectomy. Want to know more? Read our Words That Use article on thorac-.

Examples of thoraco-

One example of a medical term that uses the form thoraco– is thoracotomy, “incision into the chest cavity.”

We know thoraco– means “thorax,” and the –tomy portion of the word means “incision,” from Greek –tomia. Thoracotomy literally translates to “thorax incision.”

What are some words that use the combining form thoraco-?

• thoracolumbar
• thoracolysis
• thoracometer
• thoracopathy
• thoracoscope
• thoracostomy

What are some other forms that thoraco– may be commonly confused with?

• flor-
• thermo-
• thymo-
• thyro-

Break it down!

The combining form –pathy is used to mean “disease.” With this in mind, what is the medical condition thoracopathy?