| Term | Definition |
| Anatomy | The study of the structure of an organism |
| Homeostasis | State of equilibrium maintained in the body's internal environment |
| Bilateral | Pertaining to two sides |
| Unilateral | Pertaining to one side |
| Medial | Pertaining to the middle or midline |
| Lumbar region | Right and left middle lateral regions |
| Hypochondriac region | Upper right and left region at the level of the ninth rib cartilage |
| Hypogastric region | Lower middle region below the navel |
| Epigastric region | Region over the stomach |
| Quadrant | Quarters of the abdomen |
| Transverse plane | Horizontal plane / any plane that divides the body into superior and inferior portions (Cuts the body in half at about the waist) |
| Sagittal plane | Vertically divides the body as it passes through the midline to form a right and left half |
| Anatomical position | The body erect, head facing forward, arms by the sides with palms to the front |
| Inferior | Below, in a downward direction, towards the feet |
| Superior | Above, in an upward direction, towards the head |
| Cephalic | Pertaining to the head |
| Proximal | Nearest the point of attachment or near the beginning of a structure |
| Distal | Away from the point of attachment or far from the beginning of a structure |
| Ventral | Pertaining to the front side of the body, adbomen, belly surface |
| Dorsal | Pertaining to the back side of the body |
| Cavity | A hollow space containing body organs |
| Apex | Pointed end of a cone-shaped structure |
| Visceral | Pertaining to body organs enclosed within a cavity, especially abdominal organs |
| Cranial | Pertaining to the cranium (the portion of the skull that contains the brain) |
| Abd | Abdomen, abdominal |
| A&P | Anatomy and Physiology |
| AP | Anteroposterior |
| BP | Blood pressure |
| CC | Chief complaint |
| DOB | Date of birth |
| GI | Gastrointestinal |
| TPR | Temperature, pulse, respiration |
| Lat | Lateral |
| RLQ, RUQ | Right lower quadrant, right upper quadrant |
| LLQ, LUQ | Left lower quadrant, left upper quadrant |
| PA | Posteroanterior |
| O | Abdomin- |
| O | Mast- |
| O | Bucc- |
| O | Thorac- |
| - | Cubital |
| - | Gingiv |
| O | Cardi- |
| O | Hepat- |
| O | Pulmon- |
| O | Pneum- |
| - | Umbilic- |
| O | Rhin- |
| O | Cost- |
| O | Pharyng- |
| O | Lingu- |
| O | Carp- |
| - | Inguin |
| I | Superfic- |
| - | Proxim |