| A | B |
| superior | toward the head end or upper part |
| cranial | toward the head end or upper part |
| cephalad | toward the head end or upper part |
| inferior | away from the head end or toward lower part |
| caudal | away from the head end or toward lower part |
| anterior | toward or at front of body |
| ventral | toward or at front of body |
| posterior | toward or at backside of body |
| dorsal | toward or at backside of body |
| medial | toward or at midline of body |
| lateral | away from midline of body |
| proximal | close to origin of body part or point of attachment |
| distal | farther from origin of body part or point of attachment |
| superficial | toward or at body surface |
| deep | away from body surface |
| sagittal plane | vertical plane through body dividing into left and right parts |
| median plane | vertical plane through body dividing into right and left parts |
| frontal plane | vertical plane through body dividing into front and back parts |
| coronal plane | vertical plane through body dividing into front and back parts |
| transverse plane | horizontal plane through body |