| A | B |
|---|
| Superior (cranial) | toward the head or upper part of the body |
| Inferior (caudal) | Away from the head toward the lower structure, below |
| Anterior (ventral) | Toward or at the front of the body |
| posterior (dorsal) | Toward or at the back of the body |
| medial | toward or at the midline of the body; on the inner side of |
| lateral | away from the midline of the body; on the outer side of |
| intermediate | between a more medial & a more lateral structure |
| proximal | closer to the origin of the body |
| distal | farther away from the origin of a body part or point of attachment of a limb to the body |
| superficial (external) | toward or at the body surface |
| deep (internal) | away from the body surface |
| Oxygen | O |
| Carbon | C |
| Hydrogen | H |
| Nitrogen | N |
| Calcium | CA |
| Phosphorus | P |
| Potassiun | K |
| Sulfur | S |
| Sodium | Na |
| Chlorine | Cl |
| Magnesium | Mg |
| Iodine | I |
| Iron | Fe |
| 4 elements found in the skin | S, K, I, N |
| Sagital Plane | runs longitudinally& divides the body into right & lft parts |
| median or midsagital plane | divides the body into equal parts right the median of the body |
| Transverse plane | runs horizontially dividing the body into superior and inferior parts |
