Unit 1 Medical Terminology PDF

Unit 1 Medical Terminology  Word root.Word root is the main body of the word Word Root Greek or Latin origin Use in a Word lith Lithos (G., stone) lithiasis psych Psyche (G., mi...

Unit 1 Medical Terminology  Word root.Word root is the main body of the word Word Root Greek or Latin origin Use in a Word lith Lithos (G., stone) lithiasis psych Psyche (G., mind) psychology caud Cauda (L.,tail) caudal or Oris (L.,mouth) oral  Combining vowel A vowel, called a combining vowel is often inserted between word roots to make the.word easier to pronounce ”The most frequently used vowel is “o Cardi/o ✓ Gastr/o ✓ Oste/o ✓  Prefixes and Suffixes Word root is usually accompanied by a prefix.or suffix, or sometimes by both.A prefix is placed before the word If prefix is written alone it is usually followed by a hyphen (e. g., anti-) indicating that another word part follows the prefix to form a.complete word e.g. A-febrile = without fever A suffix is attached to the end of a word or.word root to modify its meaning A suffix is usually preceded by ahyphen when suffix is written alone (e.g., -cyte) indicating that another word part generally precedes it.before a complete word can be formed Erythr/o (red)+cyte(cell)=red cell Sometime a word is composed of only a prefix and suffix (e.g., dys- and –pnea) Drop the combining vowel if the suffix also begins with a vowel (a,e,i,o,u) E.g. hepat/o+ itis = hepatitis Most prefixes end with a vowel and may be.added to other word part without change E.g. pre+ cancerous/eruptive/operative =.precancerous/preeruptive/preoperative E.g. Anti- +biotic/coagulant= antibiotic/ anticoagulant, while only ant- is used when.prefix is joint to a vowel E.g. anti-+acid=antacid  Eponyms Are names for diseases, organs, procedure or body functions that are derived from the name of a.person A cesarean section, a surgical procedure in which the abdomen and uterus are surgically opened to deliver the infants, is an eponyms named after the manner in.which Julius Caeser was supposedly born.E.g. Parkinson and Alzheimer disease etc  Abbreviations and Pharmacology Are shortened forms of written words or phrase that are used in place of the whole. E.g MD means.Doctor of medicine Letters( The abbreviation for shortness of breath is SOB) Shortened words; (Latin) Statim meaning “at once”.or immediately Acronyms are pronounceable names made up of.series of letters or parts of words E.g., CABG pronounced like the vegetable, stands.for the coronary artery bypass graft  Plurals Plurals of many medical terms are formed by.adding an “s” to the singular term E.g., Abrasion----- Abrasions(plural) Many nouns that ends in s, ch or sh form their plural by adding –es E.g., sinus-----sinuses(plural) Singular nouns that end in y preceded by a consonant form their plurals by changing the “y” to “i” and adding –es E.g., Allergy----Allergies(plural) Practice Exercise-1,2,3,4,5,6,7,89,1011,12,13,14,15,16, 17,18 (p.no.18-44) Practice Exercise-1,2,3,4,5,6,7,89,1011,12 (p.n.55-72) Self test (p.n.12-13) Self test (p. no. 46-49) Self test (p.no.73-74)  Reference Quick & Easy Medical terminology..Peggy.C.Leonard (Seventh edition).Pages 1-13 Thanks