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N Andrade AnP Study
Anatomy - Anatomical Directions
| Term | Definition |
|---|---|
| Anterior | Front, or in front of; or Ventral (towards the belly) |
| Posterior | Back, or in back of; or Dorsal (towards the back) |
| Medial | Toward the midline of the body |
| Lateral | Toward the side of the body, or away from its midline |
| Proximal | Toward or nearest the trunk of the body, or nearest the point of the origin of one of its parts |
| Distal | Away from or farthest from the trunk or the point of origin of a body part |
| Superficial | Nearer the surface |
| Deep | Farther away from the body surface |
| Superior | Toward the head, or upper or above |
| Inferior | Toward the feet, or lower or below |
| Lumen | The hollow area of any organ; or luminal means of or near the lumen |
| Central | Near the center |
| Peripheral | Around the boundary |
| Medullary | Inner region, or core of an organ |
| Cortical | Outer region or layer of an organ |
| Base | The base or widest part of an organ |
| Apical | The narrow tip of an organ |
| Sagittal Plane | Any lengthwise plane running from front to back and top to bottom, dividing the body or any of its parts into right and left sides |
| Coronal Plane | Any lengthwise plane running from side to side and top to bottom, dividing the body or any of its parts into anterior and posterior portions; sometimes called a frontal plane |
| Transverse Plane | Any crosswise plane that divides the body or any of its parts into upper and lower parts; sometimes called a horizontal plane. |