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directional terms
| Term | Definition |
|---|---|
| anterior | frontal surface of a body or structure |
| posterior | back or rear side of a body or structure |
| superior | part of the body that is higher in position or closer to the head. |
| inferior | part of a body that is below another structure of closer to the feet |
| medial | middle or inner part of a body or structure |
| lateral | side of a body or body part |
| proximal | closer to the center of a body or the point of the attachment |
| distal | a location farther away from the origin or center of a body part or structure |
| coronal/frontal plane | vertical plane that divides the body into front (anterior) and the back (posterior) sections |
| sagittal plane | vertical plane that divides the body into the right to left sections |
| axial/transverse plane | a horizontal plane that divides the body into the upper (superior) or and lower (inferior) sections |
| dorsal cavity | a major body cavity located on the posterior (back) side of the body |
| ventral cavity | a large body cavity located on the anterior (front) part of the human body |
| cranial cavity | a hollow space within the skull that houses and protects the brain |
| vertebral cavity | the anatomical space formed by the vertebral column that protects the spinal cord and spinal nerve roots, allowing for proper innervation throughout the body |
| thoracic cavity | a bony and muscular structure located in the upper torso that protects and house vital organs, including the heart, lungs, and esophagus. |
| pelvic cavity | a bony structure located in the lower part of the abdomen. between the pelvic inlet (superior border) and pelvic outlet (inferior border) |
| abdominal cavity | the large body space between the diaphragm and pelvis, containing organs such as the stomach, liver, intestines, and kidneys |