| Term | Definition |
| ELECTIVE SURGERY | NON URGENT PROCEDURE DONE WHEN CONVENIENT |
| NONELECTIVE SURGERY | URGENT PROCEDURE TO BE PERFORMED IMMEDIATELY EVEN THOUGH PATIENT MAY BE COMPROMISED |
| TAIL DOCKING | AMPUTATION OF THE TAIL TO MEET BREED STANDARDS |
| ONYCHECTOMY | AMPUTATION OF THE CLAW AND ASSOCIATED NAIL BED |
| CELIOTOMY | INCISION INTO THE ABDOMINAL CAVITY |
| OVARIOHYSTERECTOMY | SURGICAL REMOVAL OF UTERUS AND OVARIES (SPAY, OVH, OHE) |
| ORCHIECTOMY | EXCISION OF THE TESTES (CASTRATION) |
| NEUTER | SURGICAL STERILIZATION, CAN REFER TO MALE OR FEMALE BUT MOST COMMONLY USED TO MEAN CASTRATION |
| CESAREAN DELIVERY | DELIVERY OF FETUS BY INCISION THROUGH ABDOMINAL WALL AND UTERUS |
| CYSTOTOMY | INCISION OF THE BLADDER |
| PERINEAL URETHROSTOMY | CREATION OF PERMANENT OPENING FOR URETHRA IN PERINEUM IN MALE CATS |
| MASTECTOMY | SURGICAL EXCISION OF ONE OR MORE MAMMARY GLAND |
| INTESTINAL ANASTOMOSIS | SURGICAL REMOVAL OF PORTION OF THE INTESTINE AND CONNECTION OF THE CUT ENDS |
| ABSCESS | LOCALIZED COLLECTION OF PUS IN A CAVITY SURROUNDED BY A FIBROUS WALL |
| LACERATION | LINEAR TEAR IN BODY TISSUE |
| LUXATION | DISLOCATION OR DISPLACEMENT OF A BONE FROM ITS JOINT |
| SUBLUXATION | PARTIAL DISLOCATION OR DISPLACEMENT OF BONE FROM ITS NORMAL POSITION |
| FRACTURE | BREAK IN THE CONTINUITY OF A BONE (Fx) |
| HERNIA | ABNORMAL PROTRUSION OF PART OF AN ORGAN OR TISSUE THROUGH THE STRUCTURES NORMALLY CONTAINING IT |
| REDUCTION | CORRECTION OF A FRACTURE, LUXATION, OR HERNIA |
| LATERAL EAR RESECTION | SURGICAL PROCEDURE WHERE LATERAL WALL OF VERTICAL PORTION OF EXTERNAL EAR CANAL IS REMOVED TO ALLOW VENTILATION AND DRAINAGE (DOGS WITH OTITIS EXTERNA) |
| SPLENECTOMY | SURGICAL REMOVAL OF THE SPLEEN |
| GASTROPEXY | SURGICAL FIXATION OF THE STOMACH TO THE ABDOMINAL WALL |
| INTRAMEDULLARY BONE PINNING | INSERTION OF METAL ROD INTO MEDULLARY CAVITY OF BONE TO REPAIR STABLE FRACTURE |
| FEMORAL HEAD OSTECTOMY | SURGICAL REMOVAL OF ROUNDED PROXIMAL ARTICULATING EXTREMITY OF FEMUR TO CREATE A FALSE HIP JOINT (FHO) |
| PREOPERATIVE PERIOD | TIME PRIOR TO OPERATION WHEN ANIMAL IS PREPPED |
| POSTOPERATIVE PERIOD | TIME FOLLOWING SURGERY WHEN ANIMAL IS MONITORED |
| FENESTRATED DRAPE | DRAPE WITH OPENING IN IT |
| NOSOCOMIAL | CONDITION OBTAINED IN A HOSPITAL OR CLINIC |
| DEHISCENCE | SEPARATION OF LAYERS OF SKIN IN A WOUND |
| SPONGE | MASS OF GAUZE OR A PAD |