Anatomy & Physiology: Body Terms, Planes, and Cavities
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The body standing upright, facing forward, arms at the sides with palms facing forward.
Superior means toward the head or upper part of a structure.
Inferior means away from the head or toward the lower part of a structure.
Anterior or Ventral means toward the front of the body.
Posterior or Dorsal means toward the back of the body.
Medial means toward the midline of the body.
Lateral means away from the midline of the body.
Proximal means closer to the origin of a body part or point of attachment.
Distal means farther from the origin of a body part or point of attachment.
Superficial means toward or on the surface of the body.
Deep means away from the surface of the body, more internal.
The plane dividing the body into anterior (front) and posterior (back) parts.
The plane dividing the body into left and right parts.
The plane dividing the body into superior (upper) and inferior (lower) parts.
Dorsal cavity (cranial and spinal) and Ventral cavity (thoracic and abdominopelvic).
The brain is housed in the cranial cavity.
The spinal cord is housed in the spinal cavity.
The heart and lungs are located in the thoracic cavity.
The stomach, liver, intestines, and reproductive organs are in the abdominopelvic cavity.
The diaphragm separates the thoracic cavity from the abdominopelvic cavity.