| Term | Definition |
| Abrasion | injury to the integrity of the skin resulting in skin loos |
| Abscess | pus forming a pocket |
| Acapnia | low level of crbon dioxide in the blood |
| Acne | inflammation of the skin related to glands and hair |
| adenoiditis | inflamation of the adenoids |
| amenorrhea | no mestrual discharge |
| Alopecia | bald condition |
| Anorchism | absence of testis |
| Anoxia | deficiency of oxygen |
| anterior | frontal position |
| anteroposterior | frontal to back positioning |
| anuria | no urine production |
| aphonia | no voice |
| apnea | not breathing |
| atelectasis | abnormal expansion of a lung |
| azoturia | elevated and excessive levels of nitrogen substrates and urea in the urine |
| balanitis | inflammation of the penis |
| balanorrhea | elevated discharge of the penis |
| bilateral | both sides |
| biopsy | removal of tissue for evaluation purposes |
| bronchogram | x-ray of the bronchi |
| bronchography | the taking of the bronchi x-ray |
| cancerous | related to cancer |
| carbuncle | skin disease associated with boils |
| carcinogen | cancer causing agent |
| carcinogenic | related to a cancer causing agent |
| carcinoma | malignant tumor |
| caudal | related to the tail position |
| cellulitis | inflammation of connective tissue, associated with infection and fever |
| cephalic | related to the head position |
| cervicectomy | removal of the cervix |
| cicatrix | scar |
| colpoplasty | repair of the vagina |
| colposcope | device used to explore the vagina and cervix with visual examination |
| contusion | bruising of tissue with no loss in skin integrity |
| cyanosis | bluish color of the skin related to poor blood supply |
| cystogram | x-ray of the bladder |
| cytogenic | related to the creation of cells |
| cystoscope | device used for inspection of the bladder |
| cystoscopy | examination of the bladder by vision |
| cytoid | similar to a cell |
| cytology | study of cellular biology |
| cytoplasm | element inside the cell |