UNIT 5 Pathology, Otorhinolaryngology, and Prefixes dys-, brady-, tachy- poly-, syn- “C” Rule of Pronunciation When followed by o, u, a, or a consonant, “c” is pronounced with a “k” sound: coat, cut, cake, cluck When followed by i, e, or y, “c” is pronounced with a soft “c” or “s” sound: city, cereal, cycle “C” Rule of Pronunciation Hard “c” words: colon cardiac cocci coccus chlamydia candida Soft “c” words: cystocele bacilli cerebral encephalitis cyanosis cystectomy Disease-producing microorganisms cocci bacilli viruses other pathogens curved rods Cocci: spherically shaped bacteria Cocci growing in pairs = dipl/o/cocci Cocci growing in twisted chains = strept/o/cocci (Streptococcus pyogenes) Cocci growing in clusters = staphyl/o/cocci (Staphylococus aureus) Bacilli: rod-shaped bacteria Rod-shaped bacteria growing in pairs = dipl/o/bacilli Rod-shaped bacteria growing in twisted chains = strept/o/bacilli Singular/Plural Bacterium = singular form Bacteria = plural form Coccus = singular form Cocci = plural form Bacillus = singular form Bacilli = plural form Staphyl/o Greek for “a cluster of grapes” Also refers to the palatine uvula The “hangy-down” thing in the back of the mouth. Py/o The combining form used for words involving pus a liquid inflammation product made up of cells (leukocytes), a thin fluid, and cellular debris -rrhea a suffix meaning flow or discharge: diarrhea pyorrhea otorrhea rhinorrhea Ot/o Greek word root meaning ear Tympan/o Greek word root meaning eardrum Prefixes: aanbradydystachy- not, lack of (before a consonant) not, lack of (before a vowel) abnormally slow difficult, abnormal, poor, painful abnormally fast Audi/o combining form for hearing Phon/o combining form for voice or vocal sounds Phas/o combining form for speech Rhin/o from the Greek word meaning nose-horn Lith/o the combining form for calculus or stone Chol/e the combining form for gall or bile Pne/o from the Greek word for breath -pnea a suffix meaning breathing Peps/o from the Greek word for digestion More prefixes: hyperhypomicromacrosynpropoly- more than or above less than or below small large with or together before too much or too many Sound made by “c” followed by an “o” A. B. C. D. s k j x Sound made by “c” followed by an “i” A. B. C. D. s k j x Plural for round-shaped bacteria A. B. C. D. bacilli bacillus coccus cocci Prefix for double A. B. C. D. tridiplodaploex- Combining form for twisted chains A. B. C. D. strep strepto stretp strept Combining form for uvula A. B. C. D. staphylo strepto vulvo uvul Suffix for flow or discharge A. B. C. D. -itis -rrhagia -pnea -rrhea Combining form for ear A. B. C. D. audio tympano oto oculo Suffix for surgical repair A. B. C. D. -acopy -tomy -ectomy -plasty Combining form for bile (gall) A. B. C. D. chole calcul lith bil Singular for rod-shaped bacteria A. B. C. D. bacilla bacillus coccus bacterium Combining form for pus A. B. C. D. genic gen/o staphyl/o py/o Word root for nose A. B. C. D. ot rhin nas/o lith Suffix meaning infestation A. B. C. D. -iasis -pathy -lith -oid Suffix for breathing A. B. C. D. -pne -pneo -pnea -pepsia Combining form for heat A. B. C. D. tempero thermal thermo Fahrenheit Prefix for small A. B. C. D. incromacromicrohypo- Prefix for large A. B. C. D. macromegalymicropoly- Prefix for join together A. B. C. D. interintraosissyn- Suffix for thirst A. B. C. D. -hydro -dipsia -mania -poly Word root for finger or toe (digits) A. B. C. D. acro dactyl digit phalang Prefix for many or much A. B. C. D. polyolighypersub-