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Prefixes, suffixes and abbreviations

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Prefix: A prefix is positioned at the beginning of a word to modify or change its meaning. Pre means ‘before’. Prefixes may also indicate a location, number, or time.

Suffix: The ending part of a word that changes the meaning of the word.

Prefix or suffix Meaning Example(s)
a‐, an‐ not, without analgesic, apathy
ab‐ from; away from abduction
abdomin(o)‐ of or relating to the abdomen abdomen
acous(io)‐ of or relating to hearing acoumeter, acoustician
acr(o)‐ extremity, topmost acrocrany, acromegaly, acroosteolysis, acroposthia
ad‐ at, increase, on, toward adduction
aden(o)‐, aden(i)‐ of or relating to a gland adenocarcinoma, adenology, adenotome, adenotyphus
adip(o)‐ of or relating to fat or fatty tissue adipocyte
adren(o)‐ of or relating to adrenal glands adrenal artery
‐aemia blood condition anaemia
aer(o)‐ air, gas aerosinusitis
‐aesthesi(o)‐ sensation anaesthesia
alb‐ denoting a white or pale colour albino
‐alge(si)‐ pain analgesic
‐algia, ‐alg(i)o‐ pain myalgia
all(o‐) denoting something as different, or as an addition alloantigen, allopathy
ambi‐ denoting something as positioned on both sides ambidextrous
amni‐ pertaining to the membranous fetal sac (amnion) amniocentesis
ana‐ back, again, up anaplasia
andr(o)‐ pertaining to a man android, andrology
angi(o)‐ blood vessel angiogram
ankyl(o)‐, ancyl(o)‐ denoting something as crooked or bent ankylosis
ante‐ describing something as positioned in front of another thing antepartum
anti‐ describing something as ‘against’ or ‘opposed to’ another antibody, antipsychotic
arteri(o)‐ of or pertaining to an artery arteriole, arterial
arthr(o) of or pertaining to the joints, limbs arthritis
articul(o)‐ joint articulation
‐ase enzyme lactase
‐asthenia weakness myasthenia gravis
ather(o)‐ fatty deposit, soft gruel‐like deposit atherosclerosis
atri(o)‐ an atrium (especially heart atrium) atrioventricular
aur(i)‐ of or pertaining to the ear aural
aut(o)‐ self autoimmune
axill‐ of or pertaining to the armpit (uncommon as a prefix) axilla
bi‐ twice, double binary
bio‐ life biology
blephar(o)‐ of or pertaining to the eyelid blepharoplast
brachi(o)‐ of or relating to the arm brachium of inferior colliculus
brady‐ ‘slow’ bradycardia
bronch(i)‐ bronchus bronchiolitis obliterans
bucc(o)‐ of or pertaining to the cheek buccolabial
burs(o)‐ bursa (fluid sac between the bones) bursitis
carcin(o)‐ cancer carcinoma
cardi(o)‐ of or pertaining to the heart cardiology
carp(o)‐ of or pertaining to the wrist carpal tunnel
‐cele pouching, hernia hydrocele, varicocele
‐centesis surgical puncture for aspiration amniocentesis
cephal(o)‐ of or pertaining to the head (as a whole) cephalalgy
cerebell(o)‐ of or pertaining to the cerebellum cerebellum
cerebr(o)‐ of or pertaining to the brain cerebrology
chem(o)‐ chemistry, drug chemotherapy
cholecyst(o)‐ of or pertaining to the gallbladder cholecystectomy
chondr(i)o‐ cartilage, gristle, granule, granular chondrocalcinosis
chrom(ato)‐ colour haemochromatosis
‐cidal, ‐cide killing, destroying bacteriocidal
cili‐ of or pertaining to the cilia, the eyelashes ciliary
circum‐ denoting something as ‘around’ another circumcision
col(o)‐, colono‐ colon colonoscopy
colp(o)‐ of or pertaining to the vagina colposcopy
contra‐ against contraindicate
coron(o)‐ crown coronary
cost(o)‐ of or pertaining to the ribs costochondral
crani(o)‐ belonging or relating to the cranium craniology
‐crine, ‐crin(o)‐ to secrete endocrine
cry(o)‐ cold cryoablation
cutane‐ skin subcutaneous
cyan(o)‐ denotes a blue colour cyanosis
cyst(o)‐, cyst(i)‐ of or pertaining to the urinary bladder cystotomy
cyt(o)‐ cell cytokine
‐cyte cell leukocyte
‐dactyl(o)‐ of or pertaining to a finger, toe dactylology, polydactyly
dent‐ of or pertaining to teeth dentist
dermat(o)‐, derm(o)‐ of or pertaining to the skin dermatology
‐desis binding arthrodesis
dextr(o)‐ right, on the right side dextrocardia
di‐ two diplopia
dia‐ through, during, across dialysis
dif‐ apart, separation different
digit‐ of or pertaining to the finger (rare as a root) digit
‐dipsia suffix meaning ‘(condition of) thirst’ polydipsia, hydroadipsia, oligodipsia
dors(o)‐, dors(i)‐ of or pertaining to the back dorsal, dorsocephalad
duodeno‐ duodenum duodenal atresia
dynam(o)‐ force, energy, power hand strength dynamometer
‐dynia pain vulvodynia
dys‐ bad, difficult, defective, abnormal dysphagia, dysphasia
ec‐ out, away ectopia, ectopic pregnancy
‐ectasia, ‐ectasis expansion, dilation bronchiectasis, telangiectasia
ect(o)‐ outer, outside ectoblast, ectoderm
‐ectomy denotes a surgical operation or removal of a body part; resection, excision mastectomy
‐emesis vomiting condition haematemesis
encephal(o)‐ of or pertaining to the brain; also see cerebr(o)‐ encephalogram
endo‐ denotes something as ‘inside’ or ‘within’ endocrinology, endospore
enter(o)‐ of or pertaining to the intestine gastroenterology
epi‐ on, upon epicardium, epidermis, epidural, episclera, epistaxis
erythr(o)‐ denotes a red colour erythrocyte
ex‐ out of, away from excision, exophthalmos
exo‐ denotes something as ‘outside’ another exoskeleton
extra‐ outside extradural haematoma
faci(o)‐ of or pertaining to the face facioplegic
fibr(o) fibre fibroblast
fore‐ before or ahead forehead
fossa a hollow or depressed area; trench or channel fossa ovalis
front‐ of or pertaining to the forehead frontonasal
galact(o)‐ milk galactorrhoea
gastr(o)‐ of or pertaining to the stomach gastric bypass
‐genic formative, pertaining to producing cardiogenic shock
gingiv‐ of or pertaining to the gums gingivitis
glauc(o)‐ denoting a grey or bluish‐grey colour glaucoma
gloss(o)‐, glott(o)‐ of or pertaining to the tongue glossology
gluco‐ sweet glucocorticoid
glyc(o)‐ sugar glycolysis
‐gnosis knowledge diagnosis, prognosis
gon(o)‐ seed, semen; also, reproductive gonorrhoea
‐gram, ‐gramme record or picture angiogram
‐graph instrument used to record data or picture electrocardiograph
‐graphy process of recording angiography
gyn(aec)o‐ woman gynaecomastia
haemangi(o)‐ blood vessels haemangioma
haemat(o)‐, haem‐ of or pertaining to blood haematology
halluc‐ to wander in mind hallucinosis
hemi‐ one‐half cerebral hemisphere
hepat‐ (hepatic‐) of or pertaining to the liver hepatology
heter(o)‐ denotes something as ‘the other’ (of two), as an addition, or different heterogeneous
hist(o)‐, histio‐ tissue histology
home(o)‐ similar homeopathy
hom(o)‐ denotes something as ‘the same’ as another or common homosexuality
hydr(o)‐ water hydrophobe
hyper‐ denotes something as ‘extreme’ or ‘beyond normal’ hypertension
hyp(o)‐ denotes something as ‘below normal’ hypovolaemia
hyster(o)‐ of or pertaining to the womb, the uterus hysterectomy
iatr(o)‐ of or pertaining to medicine, or a physician iatrogenic
‐iatry denotes a field in medicine of a certain body component podiatry, psychiatry
‐ics organised knowledge, treatment obstetrics
ileo‐ ileum ileocaecal valve
infra‐ below infrahyoid muscles
inter‐ between, among interarticular ligament
intra‐ within intramural
ipsi‐ same ipsilateral hemiparesis
ischio‐ of or pertaining to the ischium, the hip joint ischioanal fossa
‐ismus spasm, contraction hemiballismus
iso‐ denoting something as being ‘equal’ isotonic
‐ist one who specialises in pathologist
‐itis inflammation tonsillitis
‐ium structure, tissue pericardium
juxta‐ (iuxta‐) near to, alongside or next to juxtaglomerular apparatus
karyo‐ nucleus eukaryote
kerat(o)‐ cornea (eye or skin) keratoscope
kin(e)‐, kin(o)‐, kinesi(o)‐ movement kinaesthesia
kyph(o)‐ humped kyphoscoliosis
labi(o)‐ of or pertaining to the lip labiodental
lacrim(o)‐ tear lacrimal canaliculi
lact(i)‐, lact(o) milk lactation
lapar(o)‐ of or pertaining to the abdomen wall, flank laparotomy
laryng(o)‐ of or pertaining to the larynx, the lower throat cavity where the voice box is larynx
latero‐ lateral lateral pectoral nerve
‐lepsis, ‐lepsy attack, seizure epilepsy, narcolepsy
lept(o)‐ light, slender leptomeningeal
leuc(o)‐, leuk(o)‐ denoting a white colour leukocyte
lingu(a)‐, lingu(o)‐ of or pertaining to the tongue linguistics
lip(o)‐ fat liposuction
lith(o)‐ stone, calculus lithotripsy
‐logist denotes someone who studies a certain field oncologist, pathologist
log(o)‐ speech logopaedics
‐logy denotes the academic study or practice of a certain field haematology, urology
lymph(o)‐ lymph lymphoedema
lys(o)‐, ‐lytic dissolution lysosome
‐lysis destruction, separation paralysis
macr(o)‐ large, long macrophage
‐malacia softening osteomalacia
mammill(o)‐ of or pertaining to the nipple mammillitis
mamm(o)‐ of or pertaining to the breast mammogram
manu‐ of or pertaining to the hand manufacture
mast(o)‐ of or pertaining to the breast mastectomy
meg(a)‐, megal(o)‐, ‐megaly enlargement, million splenomegaly, megameter
melan(o)‐ black colour melanin
mening(o)‐ membrane meningitis
meta‐ after, behind metacarpus
‐meter instrument used to measure or count sphygmomanometer
metr(o)‐ pertaining to conditions of the uterus metrorrhagia
‐metry process of measuring optometry
micro‐ denoting something as small, or relating to smallness microscope
milli‐ thousandth millilitre
mon(o)‐ single infectious mononucleosis
morph(o)‐ form, shape morphology
muscul(o)‐ muscle musculoskeletal system
my(o)‐ of or relating to muscle myoblast
myc(o)‐ fungus onychomycosis
myel(o)‐ of or relating to bone marrow or spinal cord myeloblast
myri‐ ten thousand myriad
myring(o)‐ eardrum myringotomy
narc(o)‐ numb, sleep narcolepsy
nas(o)‐ of or pertaining to the nose nasal
necr(o)‐ death necrosis, necrotising fasciitis
neo‐ new neoplasm
nephr(o)‐ of or pertaining to the kidney nephrology
neur(i)‐, neur(o)‐ of or pertaining to nerves and the nervous system neurofibromatosis
normo‐ normal normocapnia
ocul(o)‐ of or pertaining to the eye oculist
odont(o)‐ of or pertaining to teeth orthodontist
odyn(o)‐ pain stomatodynia
‐oesophageal, oesophag(o)‐ gullet gastro‐oesophageal reflux
‐oid resemblance to sarcoidosis
‐ole small or little arteriole
olig(o)‐ denoting something as ‘having little, having few’ oliguria
‐oma (sing.), ‐omata (pl.) tumour, mass, collection sarcoma, teratoma
onco‐ tumour, bulk, volume oncology
onych(o)‐ of or pertaining to the nail (of a finger or toe) onychophagy
oo‐ of or pertaining to an egg, a woman’s egg, the ovum oogenesis
oophor(o)‐ of or pertaining to the woman’s ovary oophorectomy
ophthalm(o)‐ of or pertaining to the eye ophthalmology
optic(o)‐ of or relating to chemical properties of the eye opticochemical
orchi(o)‐, orchid(o)‐, orch(o)‐ testes orchiectomy, orchidectomy
‐osis a condition, disease or increase ichthyosis, psychosis, osteoporosis
osseo‐ bony osseous
ossi‐ bone peripheral ossifying fibroma
ost(e)‐, oste(o)‐ bone osteoporosis
ot(o)‐ of or pertaining to the ear otology
ovo‐, ovi‐, ov‐ of or pertaining to the eggs, the ovum ovogenesis
pachy‐ thick pachyderma
paed‐, paedo‐ of or pertaining to the child paediatrics
palpebr‐ of or pertaining to the eyelid (uncommon as a root) palpebra
pan‐, pant(o)‐ denoting something as ‘complete’ or containing ‘everything’ panophobia, panopticon
papill‐ of or pertaining to the nipple (of the chest/breast) papillitis
papul(o)‐ indicates papulosity, a small elevation or swelling in the skin, a pimple, swelling papulation
para‐ alongside of, abnormal paracyesis
‐paresis slight paralysis hemiparesis
parvo‐ small parvovirus
path(o)‐ disease pathology
‐pathy denotes (with a negative sense) a disease, or disorder sociopathy, neuropathy
pector‐ breast pectoralgia, pectoriloquy, pectorophony
ped‐, ‐ped‐, ‐pes of or pertaining to the foot; ‐footed pedoscope
pelv(i)‐, pelv(o)‐ hip bone pelvis
‐penia deficiency osteopenia
‐pepsia denotes something relating to digestion, or the digestive tract dyspepsia
peri‐ denoting something with a position ‘surrounding’ or ‘around’ another periodontal
‐pexy fixation nephropexy
phaco‐ lens‐shaped phacolysis, phacometer, phacoscotoma
‐phage, ‐phagia forms terms denoting conditions relating to eating or ingestion sarcophagia
‐phago‐ eating, devouring phagocyte
‐phagy forms nouns that denotes ‘feeding on’ the first element or part of the word haematophagy
pharmaco‐ drug, medication pharmacology
pharyng(o)‐ of or pertaining to the pharynx, the upper throat cavity pharyngitis, pharyngoscopy
phleb(o)‐ of or pertaining to the (blood) veins, a vein phlebography, phlebotomy
‐phobia exaggerated fear, sensitivity arachnophobia
phon(o)‐ sound phonograph, symphony
phot(o)‐ of or pertaining to light photopathy
phren(i)‐, phren(o)‐, phrenico the mind phrenic nerve, schizophrenia
‐plasia formation, development achondroplasia
‐plasty surgical repair, reconstruction rhinoplasty
‐plegia paralysis paraplegia
pleio‐ more, excessive, multiple pleiomorphism
pleur(o)‐, pleur(a) of or pertaining to the ribs pleurogenous
‐plexy stroke or seizure cataplexy
pneumat(o)‐ air, lung pneumatocele
pneum(o)‐ of or pertaining to the lungs pneumonocyte, pneumonia
‐poiesis production haematopoiesis
poly‐ denotes a ‘plurality’ of something polymyositis
post‐ denotes something as ‘after’ or ‘behind’ another post‐operation, post‐mortem
pre‐ denotes something as ‘before’ another (in [physical] position or time) premature birth
presby(o)‐ old age presbyopia
prim‐ denotes something as ‘first’ or ‘most important’ primary
proct(o)‐ anus, rectum proctology
prot(o)‐ denotes something as ‘first’ or ‘most important’ protoneuron
pseud(o)‐ denotes something false or fake pseudoephedrine
psor‐ itching psoriasis
psych(e)‐, psych(o) of or pertaining to the mind psychology, psychiatry
‐ptosis falling, drooping, downward placement, prolapse apoptosis, nephroptosis
‐ptysis (a spitting), spitting, haemoptysis, the spitting of blood derived from the lungs or bronchial tubes haemoptysis
pulmon‐, pulmo‐ of or relating to the lungs pulmonary
pyel(o)‐ pelvis pyelonephritis
py(o)‐ pus pyometra
pyr(o)‐ fever antipyretic
quadr(i)‐ four quadriceps
radio‐ radiation radiowave
ren(o)‐ of or pertaining to the kidney renal
retro‐ backward, behind retroversion, retroverted
rhin(o)‐ of or pertaining to the nose rhinoplasty
rhod(o)‐ denoting a rose‐red colour rhodophyte
‐rrhage burst forth haemorrhage
‐rrhagia rapid flow of blood menorrhagia
‐rrhaphy surgical suturing nephrorrhaphy
‐rrhexis rupture karyorrhexis
‐rrhoea flowing, discharge diarrhoea
‐rupt break or burst erupt, interrupt
salping(o)‐ of or pertaining to tubes, e.g. Fallopian tubes salpingectomy, salpingopharyngeus muscle
sangui‐, sanguine‐ of or pertaining to blood exsanguination
sarco‐ muscular, flesh‐like sarcoma
scler(o)‐ hard scleroderma
‐sclerosis hardening atherosclerosis, multiple sclerosis
scoli(o)‐ twisted scoliosis
‐scope instrument for viewing otoscope
‐scopy use of instrument for viewing endoscopy
semi‐ one‐half, partly semiconscious
sial(o)‐ saliva, salivary gland sialagogue
sigmoid(o)‐ sigmoid, S‐shaped curvature sigmoid colon
sinistr(o)‐ left, left side sinistrocardia
sinus‐ of or pertaining to the sinus sinusitis
somat(o)‐,somatico‐ body, bodily somatic
‐spadias slit, fissure hypospadias, epispadias
spasmo‐ spasm spasmodic dysphonia
sperma(to)‐, spermo‐ semen, spermatozoa spermatogenesis
splen(o)‐ spleen splenectomy
spondyl(o)‐ of or pertaining to the spine, the vertebra spondylitis
squamos(o)‐ denoting something as ‘full of scales’ or ‘scaly’ squamous cell
‐stalsis contraction peristalsis
‐stasis stopping, standing cytostasis, homeostasis
‐staxis dripping, trickling epistaxis
‐stenosis abnormal narrowing in a blood vessel or other tubular organ or structure restenosis, stenosis
stomat(o)‐ of or pertaining to the mouth stomatogastric, stomatognathic system
‐stomy creation of an opening colostomy
sub‐ beneath subcutaneous tissue
super‐ in excess, above, superior superior vena cava
supra‐ above, excessive supraorbital vein
tachy‐ denoting something as fast, irregularly fast tachycardia
‐tension, ‐tensive pressure hypertension
tetan‐ rigid, tense tetanus
thec‐ case, sheath intrathecal
therap‐ treatment hydrotherapy, therapeutic
therm(o)‐ heat thermometer
thorac(i)‐, thorac(o)‐, thoracico‐ of or pertaining to the upper chest, chest; the area above the breast and under the neck thorax
thromb(o)‐ of or relating to a blood clot, clotting of blood thrombus, thrombocytopenia
thyr(o)‐ thyroid thyrocele
thym‐ emotions dysthymia
‐tome cutting instrument osteotome
‐tomy act of cutting; incising, incision gastrotomy
tono‐ tone, tension, pressure tonometer
top(o)‐ place, topical topical anaesthetic
tort(i)‐ twisted torticollis
tox(i)‐, tox(o)‐, toxic(o)‐ toxin, poison toxoplasmosis
trache(a)‐ trachea tracheotomy
trachel(o)‐ of or pertaining to the neck tracheloplasty
trans‐ denoting something as moving or situated ‘across’ or ‘through’ transfusion
tri‐ three triangle
trich(i)‐, trichia, trich(o)‐ of or pertaining to hair, hair‐like structure trichocyst
‐tripsy crushing lithotripsy
‐trophy nourishment, development pseudohypertrophy
tympan(o)‐ eardrum tympanocentesis
‐ula, ‐ule small nodule
ultra‐ beyond, excessive ultrasound
un(i)‐ one unilateral hearing loss
ur(o)‐ of or pertaining to urine, the urinary system; (specifically) pertaining to the physiological chemistry of urine urology
uter(o)‐ of or pertaining to the uterus or womb uterus
vagin‐ of or pertaining to the vagina vagina
varic(o)‐ swollen or twisted vein varicose
vasculo‐ blood vessel vasculotoxicity
vas(o)‐ duct, blood vessel vasoconstriction
ven‐ of or pertaining to the (blood) veins, a vein (used in terms pertaining to the vascular system) vein, venospasm
ventricul(o)‐ of or pertaining to the ventricles; any hollow region inside an organ cardiac ventriculography
ventr(o)‐ of or pertaining to the belly; the stomach cavities ventrodorsal
‐version turning anteversion, retroversion
vesic(o)‐ of or pertaining to the bladder vesical arteries
viscer(o)‐ of or pertaining to the internal organs, the viscera viscera
xanth(o)‐ denoting a yellow colour, an abnormally yellow colour xanthopathy
xen(o)‐ foreign, different xenograft
xer(o)‐ dry, desert‐like xerostomia
zo(o)‐ animal, animal life zoology
zym(o)‐ fermentation enzyme, lysozyme
Fundamentals of Pharmacology for Paramedics

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