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DIRECTIONAL TERMS
MEDICAL TERMINOLOGY
| Term | Definition |
|---|---|
| ANTERIOR | TOWARD THE FRONT OF THE BODY |
| CENTRAL | AT OR NEAR THE CENTER OF THE BODY OR ORGAN |
| DISTAL | PART OF AN EXTREMITY THAT IS FARTHER FROM THE POINT OF ATTACHMENT TO THE TRUNK |
| EXTERNAL | TOWARD OR ON THE SURFACE OF THE BODY |
| INFERIOR (CAUDAD) | AWAY FROM THE HEAD |
| INTERNAL | AWAY FROM THE SURFACE OF THE BODY |
| LATERAL | AWAY FROM THE MIDLINE OF THE BODY |
| MEDIAL | TOWARD THE MIDLINE |
| PARIETAL | PERTAINING TO THE OUTER BOUNDARY OF BODY CAVITIES |
| PERIPHERAL | EXTERNAL TO OR AWAY FROM THE CENTER OF BODY OR ORGAN |
| POSTERIOR (DORSAL) | TOWARD THE BACK OF THE BODY |
| PROXIMAL | PART OF AN EXTREMITY THAT IS CLOSER TO THE POINT OF ATTACHMENT TO THE TRUNK |
| SUPERIOR (CEPHALAD) | TOWARD THE HEAD |
| VISCERAL | PERTAINING TO THE INTERNAL ORGANS |
| FRONTAL PLANE (AKA CORONAL PLANE) | IMAGINARY LINE THAT DIVIDES THE BODY FROM FRONT TO BACK |
| MIDSAGITTAL PLANE (AKA SAGITTAL OR LATERAL) | DIVIDES THE BODY FROM LEFT TO RIGHT |
| TRANSVERSE PLANE (CROSS-SECTIONAL) | DIVIDES THE BODY INTO TOP AND BOTTOM |
| ABDOMINPELVIC CAVITY | SUBDIVISION OF THE VENTRAL CAVITY WHICH ENCASES THE ABDOMINAL CAVITY AND THE PELVIC CAVITY |
| DORSAL CAVITY | CAVITY WHICH ENCASES THE CRANIAL CAVITY AND VERTEBRAL CANAL |
| THORACIC CAVITY | SUBDIVISION OF THE VENTRAL CAVITY WHICH IS LOCATED IN THE CHEST AND ENCASES THE MEDIASTINUM, PLEURAL CAVITY, AND PERICARDIAL CAVITY |
| VENTRAL CAVITY | ENCASES THE THORACIC CAVITY, THE DIAPHRAGM, AND THE ABDOMINOPELVIC CAVITY |