Anatomic terminology In order to accurately identify areas of the body, clearly defined anatomical terms are used. These terms refer to the body in the anatomical position—standing erect, facing forward, arms down at the side, with the palms turned forward. In this position, the following apply: • Directional terms are used to describe the relative position of one body part to another. These terms are listed in Table 1. • Body planes and sections are used to describe how the body or an organ is divided into two parts: • Sagittal planes divide a body or organ vertically into right and left parts. If the right and left parts are equal, the plane is a midsagittal plane; if they're unequal, the plane is a parasagittal plane. • A frontal (coronal) plane divides the body or organ vertically into front (anterior) and rear (posterior) parts.
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cranial cavity, Pelvic cavity, cavity, posterior/dorsal body cavity