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Selected Word Roots for Medical Terminology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
abdomin   abdomen  
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aden   Gland  
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Adren / adrenal   Adrenal gland  
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Aer   Air; oxygen; gas  
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Alveol   alveolus  
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angi   (Blood) vessel; (lymph) vessel  
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ankyl   Crooked; stiff; bent  
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appendic   appendix  
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arteri, arter   artery  
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arteriol   arteriole (small artery)  
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atrhr   joint  
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ather   Yellowish; fatty plaque  
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Aur   ear  
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aut   self  
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bil   Bile  
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Bio   life  
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Blephar   Eyelid  
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Bronch   airway; bronchus  
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burs   bursa  
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carcin   cancer  
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Cardi   Heart  
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caud   Tail; toward lower part of the body  
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caus   burning sensation; capable of burning  
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cephal   Head  
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Cerebell   Cerebellum  
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Cerebr   Cerebrum; brain  
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cervic   neck; cervix  
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cheil   lip  
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Chiro   Hand  
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cholangi   bile duct  
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chole   gall; bile  
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chondr   Cartilage  
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coccyg   Coccyx; tailbone  
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col   colon; large intestine  
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conjunctiv   conjunctiva  
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corne   cornea  
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coron   heart; crown of head  
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cost   rib  
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crani   cranium; skull  
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cusp   point; cusp  
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cutane   skin  
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cyan   blue  
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cyst   bladder; sac  
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cyt, cyte   Cell  
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dacry   tears; tear duct  
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dactyl   fingers or toes  
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dent   tooth  
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derm   skin  
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dermat   skin  
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dipl   two; double  
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diverticul   diverticulum  
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dors   back (of the body)  
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duoden   duodenum  
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ectop   located away from usual place  
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edema   swelling  
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electr   electricity; electrical activity  
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encephal   brain  
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endocrin   endocrine  
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enter   Intestines (usually small intestine)  
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epiglott   epiglottis  
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epitheli   epithelium  
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erythr   red  
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esophag   esophagus  
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esthesi   sensation; feeling; sensitivity  
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eti   cause (of disease)  
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exocrin   secrete out of  
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faci   face  
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fasci   fascia; fibrous band  
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flexion   bending  
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fract   break; broken  
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galact   milk  
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gastr   stomach  
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genital   pertaining to birth  
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ger   old age; aged  
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geront   old age; aged  
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gingiv   gums  
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glauc   gray  
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gloss   tongue  
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gluc   Sweetness; sugar  
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glyc   sugar; glucose  
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glycos   sugar; glucose  
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gnos   knowledge; a knowing  
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gonad   gonad; sex glands  
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gyn   woman  
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gynec   woman  
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gyr   turning; folding  
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hem   blood  
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hemat   blood  
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hepat   liver  
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hidr   swea  
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hist   tissue  
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hom   same  
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home   sameness; unchanging  
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hydr   water  
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hyster   uterus  
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ile   ileum  
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ili   ilium  
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immun   Immune  
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irid   iris  
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kerat   horny tissue; hard  
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kin   movement  
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kinesi   movement; motion  
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labi   lips  
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lacrim   tear duct;tear  
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lact   milk  
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lapar   abdomen  
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laryng   larynx  
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later   side  
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lei   smooth  
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leuk   white  
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lingu   tongue  
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lip   fat  
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lith   stone; calculus  
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lob   lobe  
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lumb   lumbar; loin region  
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Lymph   lymph  
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macr   abnormal largeness  
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mamm   breast  
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mast   breast  
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Meat   opening of passageway  
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mediastin   mediastinum  
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melan   black  
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men   menstruation  
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mening   meninges  
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ment   mind  
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mes, meso   middle  
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metr   uterus  
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mon   one  
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morbid   disease; sickness  
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muc   mucus  
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my, myos   muscle  
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myc   fungus  
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myel   bone marrow; spinal cord  
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myelon   bone marrow  
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myring   eardrum  
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narc   stupor; numbness  
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nas   nose  
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nat   birth  
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necr   death (cells; body)  
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nephr   kidney  
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neur   nerve  
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noct   night  
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nyct   night  
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nyctal   night  
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ocul   eye  
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onc   tumor  
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onych   nail  
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oophor   ovary  
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Ophthalm   eye  
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or   mouth  
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orth   straight  
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oste   bone  
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ot   ear  
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ox   oxygen  
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palpat   touch; feel; stroke  
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pancreat   pancreas  
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par, part   bear; give birth to; labor  
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parathyroid   Parathyroid  
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path   disease; suffering  
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pector   chest; muscle  
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ped   child; foot  
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pelv   pelvis; pelvic bone  
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pen   penis  
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perine   perineum  
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peritone   peritoneum  
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petr   stone; portion of temporal bone  
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Pham, phak   lens of the eye  
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phag   eat; swallow  
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phalang   finger or toe bone  
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pharyng   pharynx, throat  
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phas   speech  
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phleb   vein  
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phot   light  
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phren   mind  
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physi   nature  
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pleur   pleura  
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pneum   lung; air  
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pneumat   lung; air  
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pneumon   lung; air  
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pod   foot  
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poli   gray matter  
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polyp   polyp; small growth  
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poster   back (of body)  
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prim   first  
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proct   rectum  
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pseud   fake; false  
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psych   mind  
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pulmon   lung  
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py   pus  
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pyel   renal pelvis  
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pylor   pylorus  
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pyr   fever; heat  
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quadr   four  
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rect   rectum  
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ren   kidney  
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retin   retina  
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rhin   Nose  
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sacr   sacrum  
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salping   fallopian (uterine) tube  
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sanit   soundness; health  
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sarc   flesh; connective tissue  
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scler   sclera; white of eye; hard  
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scoli   Crooked; curved  
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seb   sebum; oil  
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seps   infection  
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sept   infection; partition; septum  
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sial   saliva  
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somat   body  
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somn   sleep  
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son   sound  
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sopor   sleep  
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sperm   sperm, spermatozoa, seed  
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spermat   sperm, spermatozoa, seed  
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spher   round; sphere; ball  
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sphygm   pulse  
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spin   spine; backbone to  
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spir   breathe  
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splen   spleen  
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spondyl   Vertebrae; spinal or vertebral column  
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staphyl   grapelike clusters  
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stern   (breastbone)  
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steth   chest (muscles)  
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stoma   mouth; opening  
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stomat   mouth;opening  
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strab   squint; squint-eyed  
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synovi   synovial; synovial membrane  
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system   system  
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ten, tend   tendon  
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tendin   tendon  
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tens, tensi   pressure, force, stretching  
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test   testis; testicle  
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therm   heat  
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thorac   thorax; chest  
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thromb   clot  
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thym   thymus gland; soul  
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thyr   thyroid gland  
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thyroid   thyroid gland  
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tom   cut; section  
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ton   tension; pressure  
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tone   to stretch  
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tonsill   tonsils  
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top   place; position; location  
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tox, toxic   poison; poisonous  
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trach, trache   trachea, windpipe  
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trachel   neck; necklike  
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trich   hair  
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tubercul   little knot; swelling  
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tympan   eardrum; middle ear  
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ulcer   sore; ulcer  
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ungu   nail  
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ur   urine; urinary tract  
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ureter   ureter  
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urethr   urethra  
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uria   urination; urine  
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urin   urine or urinary organs  
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uter   uterus  
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uvul   uvula; little grape  
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vagin   vagina  
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valv   valve  
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valvul   valve  
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vas   vessel; duct  
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vascul   blood vessel; little vessel  
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ven   Vein  
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versicul   seminal vesicles; blister  
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vertebr   vertebra; backbone  
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vesic   urinary bladder  
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vir   poison; virus  
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viril   masculine; manly  
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vis   seeing; sight  
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visc   sticky  
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viscer   viscera; internal organsm  
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viscos   sticky  
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vit   life  
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xanth   yellow  
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xen   strange; foreign  
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xer   dry  
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zygot   joined together  
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