F faci/o face fasci/o band, fascia (fibrous membrane supporting and separating muscles) femor/o femur (thigh bone) -ferent to carry fibr/o...

D dacry/o tear; lacrimal apparatus (duct, sac, or gland) dacryocyst/o lacrimal sac dactyl/o fingers; toes de- cessation dendr/o tree dent/o...

C calc/o calcium calcane/o calcaneum (heel bone) -capnia carbon dioxide (CO2) carcin/o cancer cardi/o heart -cardia heart condition carp/o carpus...

A a- without, not ab- from, away from abdomin/o abdomen abort/o to miscarry -ac pertaining to acid/o acid acous/o hearing...

U U* Unit U&L, U/L Upper and lower UA Urinalysis UC Uterine contractions UGI Upper gastrointestinal UGIS Upper gastrointestinal series...

T T&A Tonsillectomy and adenoidectomy T1, T2, and so on first thoracic vertebra, second and so on thoracic vertebra, and...

S ¯s without S1, S2, and so on first sacral vertebra, second sacral and so on vertebra, and so on...

Q qAM* every morning q.2h.* every 2 hours q.d.* every day qEEG quantitative electroencephalography q.h.* every hour q.i.d.* four times...

P P Phosphorus; pulse ¯p after PBI Protein-bound iodine PCO2 Partial pressure of carbon dioxide PID Pelvic inflammatory disease PA...

O O2 Oxygen OB Obstetrics OCPs Oral contraceptive pills OD Overdose O.D. Doctor of Optometry OD* right eye OM Otitis...