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Cavity/Position
| Term | Definition |
|---|---|
| -plasty | Suffix meaning surgical repair |
| -centesis | Surgical puncture to remove fluid or gas |
| -graph | Instrument that records |
| -graphy | Procedure that records |
| -lysis | Separation or breakdown |
| -scope | Instrument to visually examine |
| -scopy | Procedure to visually examine |
| -therapy | Treatment |
| Ventral | Toward the belly or underside |
| Dorsal | Toward the back |
| Cranial | Toward the head |
| Caudal | Toward the tail |
| Rostral | Toward the nose end of the head |
| Cephalic | Pertaining to the head |
| Anterior | Front of the body |
| Posterior | Rear of the body |
| Medial | Toward the midline |
| Lateral | Away from the midline |
| Superior | Uppermost or above (used in bipeds) |
| Inferior | Lowermost or below (used in bipeds) |
| Proximal | Nearest the midline or beginning of a structure |
| Distal | Farthest from the midline or beginning of a structure |
| Superficial | Near the surface |
| Deep | Away from the surface; internal |
| Palmar | Caudal surface of the front paw |
| Plantar | Caudal surface of the rear paw |
| Midsagittal plane | Divides the body into equal right and left halves |
| Sagittal plane | Divides the body into unequal right and left parts |
| Dorsal plane | Divides the body into back and belly parts |
| Transverse plane | Divides the body into cranial and caudal parts |
| Cranial cavity | Hollow space in the skull containing the brain |
| Thoracic cavity | Chest cavity containing heart and lungs |
| Abdominal cavity | Contains major organs of digestion |
| Peritoneal cavity | Space within the abdominal cavity between membranes |
| Pelvic cavity | Contains reproductive and some excretory organs |
| Recumbent | Medical term for lying down |
| Dorsal recumbency | Lying on the back |
| Ventral recumbency | Lying on the belly (prone) |
| Lateral recumbency | Lying on the side |
| Supine | Lying in dorsal recumbency |