What does the root thorac(o) mean?

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Multiple Choice

What does the root thorac(o) mean?

Explanation:
Thorac(o) means the chest. This root shows up in terms like thorax (the chest cavity) and thoracic (relating to the chest). You’ll also see it in procedures such as thoracentesis (removing fluid from the chest) or a thoracotomy (surgical opening of the chest). The other options point to different ideas: mouth or oral cavity comes from stomat- or or(o)-, “beneath or below” uses sub- or hypo-, and “across” uses trans-. So thorac(o) specifically identifies the chest region.

Thorac(o) means the chest. This root shows up in terms like thorax (the chest cavity) and thoracic (relating to the chest). You’ll also see it in procedures such as thoracentesis (removing fluid from the chest) or a thoracotomy (surgical opening of the chest). The other options point to different ideas: mouth or oral cavity comes from stomat- or or(o)-, “beneath or below” uses sub- or hypo-, and “across” uses trans-. So thorac(o) specifically identifies the chest region.

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