Anatomical Planes, Directional Terms, and Regional Terms
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The sagittal plane divides the body into left and right, the frontal (coronal) plane divides it into front and back, and the transverse plane divides it into top and bottom.
The sagittal plane is a vertical plane that divides the body into left and right parts.
The frontal plane divides the body into anterior (front) and posterior (back) sections.
The transverse plane divides the body into superior (upper) and inferior (lower) parts.
Anterior means toward the front of the body.
Posterior means toward the back of the body.
Superior means above or toward the head.
Inferior means below or toward the feet.
Medial means toward the midline of the body.
Lateral means away from the midline of the body.
Proximal means closer to the point of attachment or origin.
Distal means farther from the point of attachment or origin.
The cephalic region refers to the head.
The thoracic region is the chest area between the neck and abdomen.
The abdominal region is the area between the thorax and pelvis.
The pelvic region is the lower part of the torso between the abdomen and thighs.
The brachial region refers to the upper arm.
The antebrachial region is the forearm.
The femoral region is the thigh.
The crural region is the front of the lower leg (shin).