Root - gives the essential meaning of the term. Sometimes it can feel like medical terminology is a language all of its own. Prefix/Suffix Meaning a-, an-not, without, less ab: away from –ac: pertaining to acous/acouso-hearing: acr/acro-extremity, topmost –acusis: hearing condition –ad: toward, in the direction of ad-increase, adherence, motion toward, very aden/adeno-gland: adip/adipo-fat: adren/adreno-gland –aemia blood condition aer/aero-air, gas aesthesio- Yes, prefix for first one, wood root for dilation and also pertaining to the heart beat medical terms for the last three - ees should be eyes also Doctor: Dr. Sophie :: … Suffix - is the word ending. List of medical roots, suffixes and prefixes 6 Prefix/suffix Meaning Origin language and etymology Example(s)-eal pertaining to Latin ec-out, away Greek ἐκ- (ek-)ect(o)-outer, outside Greek ἐκτός Ectopic pregnancy-ectasis, -ectasia expansion, dilation Ancient Greek ἔκτασις Bronchiectasis, Telangiectasia Bronchiectasis means abnormal dilation of a bronchus. Read the meaning of the medical words from the suffix to the beginning of the word and then across. Glossary of Medical Terms List of Combining Forms, Prefixes and Suffixes E e- out of-eal pertaining to ec- outside ecchym/o pouring out of juice ech/o sound eclamps/o, eclampt/o flashing or shining-ectasia, -ectasis stretching, dilation, enlargement ecto- out-ectomy surgical removal, excision, cutting out eczemat/o boil, eruption See more. Prefix - is a small part added to the beginning of a term. Medical coding is dependent upon a solid understanding of medical terminology. There are so many specialized medical terms that it can be difficult to understand all the jargon used in the doctor's office or to easily recall these long, difficult words for class. MedTerms medical dictionary is the medical terminology for MedicineNet.com. Hydronephrosis definition, dilation of the branches and pelvic cavity of the kidney, caused by an accumulation of urine resulting from obstruction of normal outflow. Medical Coding. Online Medical Dictionary and glossary with medical definitions, p listing. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. To be successful and accurate medical coders must have a solid understanding of common medical terms for various reasons which include: Reading and understanding medical … MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. Bronchiectasis is the most commonly used medical term with the suffix ectasis. 1 Medical Terminology Prefixes Prefix Definition Prefix Definition A No, not, without, apart Intra Within Ab Away from Ir(in) Back Ad Toward, near Macro Large Ambi Both Mal Bad An No, not, without, lack of Mega Large, great Ana Up Meso Middle Ant Against Meta Beyond, over, between Ante Before Micro Small Anti Against Milli One-thousandth