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Medical Terminology

Prefixes, Suffixes, and Root Words

A-, An- Without or Absence of
Ab- From or Away
Ad- To or Towards
Ana- Up
Ante- Before
Anti- Against
Append- To Hang Something
Bi-, Bin- Up
Brady- From or Away
Contra- Against
Di- Two
Dis- To Undo; Free From
Ecto-, Exo-, Extra- Outside
Endo- Within
Epi- Upon
Erythr- Red
Glyc- Sweet
Hyper- Over
Hypo- Under
Im- Not
Infra- Beneath; Below
Inter- Between
Intra- Inside
Iso- Equal
Macro- Large
Mal- Bad
Meso- Middle
Meta- After
Micro- Small
Mono- One
Multi- Many
Mut- Change
Neo- New
Para- Beside
Patho- Disease
Peri- Surrounding
Poly- Many
Post- After
Pre- Before
Psuedo- False
Re- Backward or Behinde
Retro- Back, Again
Semi- Half
Sub- Under or Below
Super- Over or Above
Syn- Together or Joined
Tachy- Fast
Tetra- Four
Trans- Through, Across, Beyond
Tri- Three
Ultra- Beyond, Excess
Uni- One
-al Pertaining to
-ase Enzyme
-blast Budding
-centesis Surgical Puncture
-cidal Causing Death
-clast Broken
-crit To Separate
-cyte Cell
-ectomy Excision or Surgical Removal
-emia Blood Condition
-emisis Vomiting
-gen, -genesis, -genic Producing
-glia Glue
-gram Something Written
-ia State of
-iac, -ic, -ior Destroy; Reduce
-ism Condition of Diseased or Abnormal State
-itia, -itis Inflammation
-logy Study of
-lyte Dissolvable
-lytic Pertaining to
-mania Madness or Insane Desire
-megaly Enlargement
-meter Instrument Used to Measure
-odia Smell
-ologist One who Studies and Practice
-oma Tumor or Swelling
-opia Vision
-opsy To View
-orrhea Flow, Excessive Discharge
-orrhexis Rupture
-osis Abnormal Increase in Production
-ostomy Creation of an Artificial Opening
-otomy Cut Into or Incision
-oxia Oxygen
-pathy Disease
-sclerosis Hardening
-scope Insrument Used for Visual Examination
-sepsis Infection
-spasm Sudden Involuntary Muscle Contraction
-stasis Control or Stop
-tomy Cutting
-tropic Influencing
Seb Sebaceous Glands
Cutane, Dermat, Derm Skin
Hidr Sweat Glands
Pil Hair
Oste, Oss, Ost Bones
Chondr Cartilage
Arthr Joints
Ligament Ligament
Myel Bone Marrow
Fasci Fascia
My Muscles
Ten, Tend, Tendin Tendons
Encephal Brain
Acoust, Ot Ears
Ocul, Ophtalm Eyes
Neur Nerves
Myel Spinal Cords
Arteri Arteries
Hemat Blood
Card, Cardi Heart
Phelb, Ven Veins Hem
Capill Capillaries
Lymph Lymph
Splen Spleen
Thym Thymus
Tonsil Tonsils
Laryng Larynx
Pneum Lungs
Nas Nose
Pharyng Pharynx
Trache Trachea
Sinus Sinuses
Esophag Esophagus
Col Large Intestine
Hepat Liver
Or Mouth
Pancrat Pancreas
Enter Small Intestine
Gastr Stomach
Nephr, Ren Kidneys
Ureter Ureters
Urethra Urethra
Cyst, Vesic Urinary Blader
Adren Adrenals
Gonad Gonads
Pancreat Pancreas
Parathyroid Parathyroid Glands
Pineal Pineal
Pituit Pituitary
Thym Thymus
Thyroid Thyroid
Orch, Orchid, Test, Testicul Testicles
Oophor, Ovari Ovaries
Hyster, Metr, Metri, Uter Uterus
Ab Abortion
abd Abdomen, Abdominal
ABG Arterial Blood Gas
ac Before Meals
ACTH Adrenocorticotrphic hormone
AD Right Ear
ADH Antidiuretic Hoemone
ad lib As Desired
ADL Activities of Daily Living
adm Admission
AHA American Hospital Association
AIDS Acquired Immune Deficiency Syndrome
am, AM Morning, Before Noon
AMA American Medical Association, against medical advice
amal amalgram
amb Ambulate, Walk
amt Amount
ANA American Nurses' Association
ANS Autonomic Nervous System
ant Anterior
AP Apical Pulse
approx approximately
aq, aqua Aqueous (water base)
ARC AIDS-related complex
ART Accredited Records Technician
AS Left Ear
as tol As Tolerated
ASA Asprin
ASAP As Soon As Possible
ASCVD Arteriosclerotic Cardiovascular Disease
ASHD Arteriosclerotic Heart Disease
AU Both Ears
av Average
A&W Alive and Well
Ax Axillia, Axillary, Armpit
Ba Barium
bacti Bacteriology
B&B Bowel and Bladder Training
BBB Bundle Branch Block
B&C Biopsy and Conization
BE Barium Enima
bid Twice a Day
bil Bilateral
Bl Blood
Bl Wk Blood Work
BM Bowel Movement
BMR Basal Metabolic Rate
BP Blood Pressure
BR Bed Rest
BRP Bathroom Privileges
BS Blood Sugar
BSA Body Surface Area
BSC, bsc Bedside Commode
BUN Blood Urea Nitrogen
Bx, bx Biopsy
Ca Calcium
CA Cancer
cal Calorie
Cap Capsule
CAT Computerized Axial Tomography
Cath Cateher
CBC Complete Blood Count
CBET Certified Biomedical Equipment Technician
CBR Complete Bed Rest
cc Cubic Centimenter
CC Chief Complaint
CCU Coronary Care Unit, Critical Care Unit
CDA Certified Dental Assistant
CDC Centers for Disease Control and Prevention
CEO Chief Executive Officer
ECG, EKG Electrocardiogram
EMS Emergency Medical Service
Exc Excursion
FDA Food and Drug Administration
Fe Iron
GB Gallbladder
H Hydrogen
Hr, Hrs, H, h Hours, hour
inj Injection
jt Joint
L Lumbar
lg Large
m Minim
MA Medical Assistant
MRI Magnetic Resonance Imaging
N Nitrogen
NO Nursing Office
OT Occupational Therapist
Psy Psychology
q Everyday
AA of each
a.c Before Meals
AD right ear
ad lib as desired
am, AM morning, before noon
AS, a.s. left ear
AU, a.u. both ears
BE barium enema
BID, b.i.d, bid twice a day
BP blood pressure
BR bed rest
BRP bathroom privalges
BM bowel movement
C with
CA, ca cancer
Cap capsule
disc, DC, d.c. discontinue, discharge
DNR do not resuscitate
Dx, dx Diagnosis
ED emergency department
ER emergency room
Fx, fx
g, gm gram
gt, gtt drop, drops
h.s. hour of sleep
Ht, ht Height
inj injection
I and O, I/O intake and output
IV intravenous
K+, K potassium
mg milligrams
N&V Nausea and Vomiting
Na+, Na Sodium
NC no complaints
NPO nothing by mouth
MN midnight
oint, ung ointment
OOB out of bed
OTC over the counter
oz. ounce
P pulse, phosphorus
p.c. after meals
pH measure of acidity/alkalinity
PM, p.m. after noon
PO, po, p.o. by mouth
PRN whenever necessary, as needed every morning
q.h. every hour
q.i.d every four hours
QNS Quantity not sufficient
q.s. quantity sufficient
r, R respiration, rectal
Rx prescription, take, treatment
S without
SOB short of breath
ss one half
stat immediately
syr syrup
susp suspension
sup, supp suppository
T Temperature
tab tablet
tbsp tablespoon
TID, t.i.d three times a day
TPR temperature, pulse, respiration
Tx traction, treatment, transplant
VS vital signs
W/C, w/c wheelchair
Created by: medicalmedicine
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