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Ana Phys Directional
Medical Terminology
| Term | Definition |
|---|---|
| plane | a two-dimensional surface that divides two halves |
| vertical | oriented vertically up or down where the frontal and sagittal planes meet |
| sagittal | a plane that divides the body into left and right sections |
| frontal | a plane that divides the body into front and back sections |
| transverse | a plane that divides the body into top and bottom sections |
| anteroposterior | the axis that extends from posterior to anterior |
| axis | a line between two points |
| bilateral symmetry | anatomical parts that are the same on both sides of a plane |
| symmetry | matching form and configuration on opposite sides of a plane |
| directional term | a term used to explain the relation of one or more body parts |
| caudal | directional term for near the posterior end of the body |
| medial | directional term for situated toward the midline of the body |
| distal | directional term for farther from the origin of the body part point of attachment |
| proximal | closer to the origin of the body part point of attachment |
| lateral | located away from the midline of the body off to the side |
| intermediate | located between a medial and lateral structure |
| deep | extending beneath the body surface |
| superficial | located near or toward the body surface |
| right | in medical terminology, a reference to the patient’s actual right side, and not to the healthcare worker’s right side |
| left | in medical terminology, a reference to the patient’s actual left side, and not to the healthcare worker’s left side |
| parallel | positioning of two structures that lie in the same plane and are positioned in a way that they are not touching each other |
| perpendicular | positioning of two structures that are at a right angle to each other |
| cranial | related to the upper part of the head or skull |
| inferior | anatomy located away from the head or toward the lower body |
| superior | anatomy located toward the head or upper part of the body |
| dorsal | positioned toward the back of the body |
| ventral | positioned towards the front, or abdominal side, of the body |