Prefixes Suffixes, and Combining Forms Flashcards
a-, an-
without, or lack of
ex: anaerobic (without oxygen)
ab-
away from
ex. abductor (leading away from)
-able
capable
ex: viable (capable of living)
acou-
hearing
ex: acoustics (science of sound)
acr
extremity
ex: acromegaly (large extremities)
ad-
to, toward, near to
ex: adrenal (near the kidney)
adeno-
gland
ex: adenoma (glandular tumor)
-al
expressing relationship
ex: neural (referring to nerves)
-algia
pain
ex: gastralgia (stomach pain)
ante-
before, forward
ex: antecubital (before elbow)
anti-
against, reversed
ex: antiperistaltic (reversed peristalsis)
arthr-
joint
ex: arthritis (inflammation of a joint)
-ary
associated with …
ex: urinary (associated with urine)
-asis
condition, state of
ex: homeostasis (state of staying the same)
auto
self
ex: autolysis (self-breakdown)
bi-
twice, double
ex: bicuspid (two cusps)
bio-
live
ex: biology (study of living)
-blast
bud, germ
ex: fibroblast (fiber-producing cell)
-brady
slow
ex: bradycardia (slow heart rate)
-c
expressing relationship
ex: cardiac: (referring to the heart)
carcin-
cancer
ex: carcinogenic (causing cancer)
cardio-
heart
ex: cardiopathy (heart disease)
cata-
down, according to
ex: catabolism (breaking down)
-cele
hollow
ex: blastocele (hollow cavity inside a blastocyst)
cephal-
head
ex: cephalic (toward the head)
cerebro-
brain
ex: cerebrospinal (referring to brain and spinal cord)
chol-
bile
ex: acholic (without bile)
chondr-
cartilage
ex: chondrocyte (cartilage cell)
-cide
kill
ex: bactericide (agent that kills bacteria)
circum-
around, about
ex: circumduction (circular movement)
-clast
smash, break
ex: oseteoclast (cell that breaks down bone)
co-,com-,con-
with, together
ex: coenzyme (molecule that functions with an enzyme)
ex: commissure (coming together)
ex: convergence (to incline together)
contra-
against, opposite
ex: contralateral (opposite side)
crypto-
hidden
ex: cryptorchidism (undescended or hidden testes)
cysto-
bladder, sac
ex: cystocele (hernia of a bladder)
-cyte-, cyto-
cell
ex: erythrocyte
de-
away from
ex: dehydrate (remove water)
derm-
skin
ex. dermatology (study of skin)
di-
two
ex: diploid (two sets of chromosomes)
dia-
through, apart, across
ex: diapedesis (ooze through)
dis-
reversal, apart from
ex: dissect (cut apart)
-duct
leading, drawing
ex: abduct (lead away from)
-dynia
pain
ex: mastodynia (breast pain)
dys-
difficult, bad
ex: dysmentia (bad mind)
e-
out, away from
ex: eviscerate (take out viscera)
ec-
out from
ex: ectopic (out of place)
ecto-
on outer side
ex: ectoderm (outer skin)
-ectomy
cut out
ex: appendectomy
-edem
swell
ex: myoedema (swelling of a muscle)
em-,en
in
ex: empyema (pus in)
ex: encephalon (in the brain)
-emia
blood
ex: anemia (deficiency of blood)
endo-
within
ex: endometrium
entero-
intestine
ex: enteritis (inflammation of the intestine)
epi-
upon, on
ex: epidermis (on the skin)
erythro-
red
ex: erytrhrocyte (red blood cells)
eu-
well, good
ex: euphoria (well-being)
ex-
out, away from
ex: exhalation (breathe out)
exo-
outside, on outer side
ex: exogenous (originating outside)
extra-
outside
ex: extracellular (outside of the cell)
-ferent
carry
ex: afferent (carrying to the central nervous system)
-form
expressing resemblance
ex: fusiform (resembling a fusion)
gastro-
stomach
ex: gastrodynia (stomachache)
-genesis
produce, origin
ex: pathogenesis (origin of disease)
gloss-
tongue
ex: hypoglossal (under the tongue)
glyco-
sugar, sweet
ex: glycolysis (breakdown of sugar)
-gram
a drawing
ex: myogram (drawing of a muscle contraction)
-graph
instrument that records
ex: myograph (instrument for measuring muscle contraction)
hem-
blood
ex: hemopoiesis (formation of blood)
hemi-
half
ex: hemiplegia (paralysis of half of the body)
hepato-
liver
ex: hepatitis (inflammation of the liver)
hetero-
different, other
ex: heterozygous (different genes for a trait)
hist-
tissue
ex: histology (study of tissues)
homeo-, homo-
same
ex: homeostasis (state of staying the same)
ex. homologous (alike in structure or origin)
hydro-
wet, water
ex: hydrocephalus (fluid within the head)
hyper-
over, above, excessive
ex: hypertrophy (overgrowth)
hypo-
under, below, deficient
ex: hypotension (low blood pressure)
-ia, -id
expressing condition
ex: neuralgia (pain in nerve)
ex: flaccid (state of being weak)
iatr-
treat, cure
ex: pediatrics (treatment of children)
im-
not
ex: impermeable (not permeable)
in-
in, into
ex: injection (forcing fluid into)
infra-
below, beneath
ex: infraorbital (below the eye)
inter-
between
ex: intercostal (between the ribs)
intra-
within
ex: intraocular (within the eye)
-ism
condition, state of
ex: dimorphism (condition of two forms)
iso-
equal, the same
ex: isotonic (same tension)
-itis
inflammation
ex: gastritis (inflammation of stomach)
-ity
expressing condition
ex: acididity (condition of acid)
kerato-
cornea or horny tissue
ex: keratinization (formation of a hard tissue)
-kin
move
ex: kinesiology (study of movement)
leuko-
white
ex: leukocyte (white blood cells)
-liga
bind
ex: ligament (structure that binds bone to bone)
lip-
fat
ex: lipolysis (breakdown of fat)
-logy
study
ex: histology (study of tissue)
-lysis
breaking up, dissolving
ex: glycolysis (breakdown of sugar)
macro-
large
ex macrophage (large phagocytic cell)
mal-
bad
ex: malnutrition
malaco-
soft
ex: osteomalacia (soft bone)
mast-
breast
ex:l mastectomy (excision of the breast)
mega-
great
ex: megacolon (large colon)
melano-
black
ex: melanocyte (black pigment-producing skin cell)
meso-
middle, mid
mesoderm (middle skin)
meta-
beyond, after, change
ex: metastasis (beyond original position)
micro-
small
ex: microorganism (small organism)
mito-
thread, filament
ex: mitosis (referring to threadlike chromosomes during cell division)
mono-
one, single
ex: monosaccharide (one sugar)
-morph
form
ex: morphogenesis (formation of tissues and organs)
multi-
many, much
ex: multinucleated (two or more nuclei)
myelo-
marrow, spinal cord
ex: myeloid (derived from bone marrow)
myo-
muscle
ex: myocardium
narco-
numbness
ex: narcotic (drug producing stupor or weakness)
neo-
new
ex: neonatal (first 4 weeks of life)
nephro-
kidney
ex: nephrectomy (removal of the kidney)
neuro-
nerve
ex: neuritis (inflammation of a nerve)
oculo
eye
ex: oculomotor (movement of the eye)
odonto-
tooth or teeth
ex: odontomy (cutting a tooth)
-oid
expressing resemblance
ex: epidermoid (resembling epidermis)
oligo-
few, scanty, little
ex: oliguria (little urine)
-oma
tumor
ex: carcinoma (cancerous tumor)
-op-
see, sight
ex: myopia (nearsighted)
ophthalm-
eye
ex: ophthalmology (study of the eye)
ortho-
straight, normal
ex: orthodontics (discipline dealing with straightening of teeth)
-ory
referring to
ex: olfactory (relating to the sense of smell)
-ose
full of
ex: adipose (full of fat)
-osis
a condition of
ex: osteoporosis (porous condition of bone)
osteo-
bone
ex: osteocyte (bone cell)
oto-
ear
ex: otolith (ear stone)
-ous
expressing material
ex: serous (composed of serum)
para-
beside, beyond, near to
ex: paranasal (near the nose)
-pathy
disease
ex: cardiopathy (disease of the heart)
-penia
deficiency
ex: thrombocytopenia (deficiency of thrombocytes)
per-
through, excessive
ex: permeate (pass through)
peri
around
ex: periosteum (around bone)
-phag
eat
ex: dysphagia (difficulty eating or swallowing)
-phas
speak, utter
ex: aphasia (unable to speak)
-phil-
like, love
ex: hydrophilic (water-loving)
phleb-
vein
ex: phlebotomy (incision into a vein)
-phobia
fear
ex: hydrophobia (fear of water)
-plas-
form, grow
ex: neoplasm (new growth)
-plegia
paralyze
ex: paraplegia (paralysis of lower limbs)
-pne-
breathe
ex: apnea (lack of breathing)
pneumo-
air, gas, or lungs
ex: pneumothorax ( air in the thorax)
pod-
foot
ex: podiatry (treatment of foot disorders)
-poie
making, production
ex: hematopoiesis (make blood cells)
poly-
many, much
ex: polycythemia (excess red blood cells)
post-
after, behind
ex: postpartum (after childbirth)
pre-, pro-
before, in front of
ex: prenatal (before birth)
ex: prosect (to cut before-for the purpose of demonstration)
procto-
anus, rectum
ex: proctoscope (instrument for examining the rectum)
psycho-
mind, soul
ex: psychosomatic (effect of the mind on the body)
pseudo
false
ex: psuedostratified (falsely layered)
pyo-
pus
ex: pyoderma (pus in the skin)
re-
back, again, contrary
ex: reflect (bend back)
retro-
backward, located behind
ex: retroperitoneal (behind the peritoneum)
-rrhagia
burst forth, pour
ex: hemorrhage (bleed)
-rrhea
flow, discharge
ex: rhinorrhea (nasal discharge)
sacro-
flesh or fleshy
ex: sarcoma (connective tissue tumor)
-sclero
hard
ex: arteriosclerosis (hardening of the arteries)
-scope
examine
ex: endoscope (instrument for examining the inside of a hollow organ)
semi-
half
ex: semilunar (shaped like a half moon)
somato-
body
ex: somatotropin (hormone causing body growth)
-stasis
stop, stand still
ex: hemostasis (stop bleeding)
steno-
narrow
ex: stenosis (narrow canal)
-stomy
to make an artificial opening
ex: tracheostomy (make an opening into the trachea)
sub-
under
ex: subcutaneous (under the skin)
super-
above, upper, excessive
ex: supercilia (upper brows)
supra-
above, upon
ex: suprarenal (above kidney)
sym-,syn-
together, with
ex: symphysis (growing together)
tachy-
fast, swift
ex: tachycardia (rapid heart rate)
therm-
heat
ex: thermometer (device for measuring heat)
-tomy
cut, incise
ex: phlebotomy (incision into a vein)
tox-
poison
ex: antitoxin (substance that counteracts a poison)
tri-
three
ex: triceps (three-headed muscle)
-troph
nourish
ex: hypertrophy (enlargement or over nourishment)
-tropic
changing, influencing
ex: gonadotropic (influencing the gonads)
-uria
urine
ex: polyuria (excess urine)
vas-
vessel
ex: vasoconstriction (decreased diameter of blood vessel)
vene-
vein
ex: venesection (phlebotomy)
viscer-
internal organ
ex: visceromotor (movement of internal organs)
zyg-
yoked, paired
ex: zygote (diploid cell)