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Medical Terms Roots (From Medical Terms for Dummies)

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Abdomin/o   Abdomen  
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Acr/o   Extremities  
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Aden/o   Gland  
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Adren/o   Adrenal gland  
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Alveoli/o   Air sac  
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Angi/o   Vessel  
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Anter/o   Front  
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Arteri/o   Artery  
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Arteriol/o   Artery  
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Arthr/o   Joint  
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Ather/o   Fatty degeneration  
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Athr/o   Joint  
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Atri/o   Atrium  
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Audi/o   Hearing  
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Axill/o   Armpit, axilla  
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Balan/o   Glans penis  
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Bio-   Life  
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Blephar/o   Eyelid or eyelash  
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Brachi/o   Arm  
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Bronch/i, bronch/o   Bronchus  
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Bronchial/o   Bronchiole  
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Bronchiol/o   Bronchiole  
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Bucc/o   Cheek (on the face!)  
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Canth/o   Angle of the eyelids  
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Capit/o   Head  
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Carcin/o   Cancer  
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Carp/o   Heart  
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Caud/o   Wrist  
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Cellul/o   Tail/downward  
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Cephal/o   Head  
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Cerebell/o   Cerebellum  
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Cerebr/i, cerebr/o   Cerebrum  
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Cervic/o   Neck or cervix (neck of uterus)  
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Cheil/o, chil/o   Lip  
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Cheir/o, chir/o   Hand  
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Chol/e   Bile  
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Cholecyst/o   Gallbladder  
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Choledoch/o   Common bile duct  
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Chondr/i, chondr/o   Cartilage  
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Chrom/o   Color  
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Cili/o   Eyelash or eyelid, or small hair-like processes  
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Col/o   Colon  
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Colp/o   Vagina  
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Cor/e, cor/o   Pupil of eye  
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Cost/o   Rib  
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Cry/o   Cold  
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Crypt/o   Hidden  
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Cutane/o   Skin  
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Cyan/o   Blue  
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Cysti, cyst/o   Bladder or cyst  
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Cyt/o   Cell  
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Derm/a, derm/o, dermat/o   Skin  
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Dipl/o   Double, twice  
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Dors/i, dors/o   Back or posterior  
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Duoden/o   Duodenum  
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Encephal/o   Brain  
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Enter/o   Intestine  
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Episi/o   Vulva  
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Erythr/o   Red  
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Esophag/o   Esophagus  
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Faci/o   Face  
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Fibr/o   Fibers  
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Galact/o   Milk  
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Gastr/o   Stomach  
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Gingiv/o   Gums in mouth  
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Gloss/o   Tongue  
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Glyc/o   Sugar  
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Gnath/o   Jaws  
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Gynec/o   Female  
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Hemat/o   Blood  
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Hepat/o, hepatic/o   Liver  
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Heter/o   Other, different  
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Hidr/o   Sweat  
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Hist/o, histi/o   Tissue  
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Hom/o, home/o   Same, alike  
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Hydr/o   Water, wet  
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Hyster/o   Uterus  
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Ili/o   Ilium (pelvic bone)  
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Irid/o   Iris of eye  
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Jejun/o   Jejunum  
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Kerat/o   Cornea of eye, horny tissue  
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Labi/o   Lips  
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Lacrima   Tears  
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Lapar/o   Abdomen, loin, or flank  
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Laryng/o   Larynx  
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Later/o   Side  
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latr/o   Treatment  
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Leuk/o   White  
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Lingu/o   Tongue  
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Lipid/o   Fat  
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Lith/o   Stone (in gallbladder or kidney)  
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lle/o   Ileum (intestine)  
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lnguin/o   Groin  
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lntestin/o   Intestine  
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Lymph/o   Lymph vessels  
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Mamm/a, mamm/o   Breast  
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Mast/o   Breast  
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Melan/o   Black  
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Men/o   Menses, menstruation  
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Mening/o   Meninges  
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Metr/a, metr/o   Uterus  
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My/o   Muscle  
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Myel/o   Bone marrow or spinal cord  
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Myring/o   Eardrum  
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Nas/o   Nose  
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Nat/o   Birth  
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Necr/o   Death  
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Nephr/o   Kidney  
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Neur/o   Nerve  
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Occipit/o   Back of the head  
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Ocul/o   Eye  
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Odont/o   Teeth  
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Omphal/o   Umbilicus  
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Onych/o   Nails  
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Oophor/o   Ovary  
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Ophthalm/o, ocul/o   Eyes  
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Optic/o, opt/o   Seeing, sight  
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Or/a   Mouth  
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Orchid/o, orchi/o   Testis  
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Oss/eo, oss/i, ost/e, ost/eo   Bone  
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Ot/o   Ear  
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Palat/o   Roof of mouth  
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Papill/o   Nipple  
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Path/o   Disease  
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Pelv/o   Pelvis  
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Peritone/o   Peritoneum  
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Phall/o   Penis  
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Pharmac/o   Drug  
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Pharyng/o   Pharynx  
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Phleb/o   Vein  
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Phren/o   Diaphragm  
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PiI/o   Hair  
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Pleur/o   Pleura, rib (side)  
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Pneum/a, pneum/o   Lungs  
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Pneum/ato, pneum/ono   Lungs  
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Pod/o   Foot  
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Polio   Gray matter of nervous system  
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Proct/o   Rectum, anus  
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Pulmon/o   Lungs  
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Py/o   Pus  
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Pyel/o   Pelvis of kidney  
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Rect/o   Rectum  
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Ren/i, ren/o   Kidney  
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Rhin/o   Nose  
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Sacr/o   Sacrum  
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Salping/o   Fallopian tube  
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Sarc/o   Flesh  
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Scapul/o   Scapula  
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Sept/o   Infection  
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Somat/o   Body  
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Splen/o   Spleen  
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Spondyl/o   Vertebra  
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Stern/o   Sternum  
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Steth/o   Chest  
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Stomat/o   Mouth  
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Tal/o   Ankle  
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Tars/o   Foot  
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Tend/o, ten/o   Tendon  
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Testicul/o   Testis  
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Therm/o   Heat  
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Thorac/o   Chest/thorax  
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Thym/o   Thymus  
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Thyr/o   Thyroid gland  
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Thyroid/o   Thyroid gland  
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Tonsill/o   Tonsils  
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Trache/o   Trachea  
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Trachel/o   Neck or necklike  
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Trich/o   Hair or hairlike  
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Tympan/o   Eardrum  
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Ur/e, ur/ea, ur/eo, urin/o, ur/o   Urine  
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Ureter/o   Ureter  
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Urethr/o   Urethra  
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Vas/o   Vas deferens  
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Vas/o, ven/o   Vein  
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Ventr/i, ventr/o   Front of body  
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Vesic/o   Bladder  
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Viscer/o   Viscera (internal organs)  
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Xanth/o   Red, redness  
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Xer/o   Dry  
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