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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. |