root words Flashcards
intra-
within, inside
intracellular, within a cell
io-
violet
iodine, a chemical element that produces a violet vapor
iso-
equal, same
iostonic, having the same osmotic pressure in comparison with another
-itis
inflammation of
colitis, inflammation of the large intestine
-karyo, -caryon
a seed, nut
eukaryote, a cell with a membrane-enclosed nucleus
kin-
movement
streptokinase, an enzyme that lyses or moves fibrin
lactic-
milk
lactose, the sugar of milk
Leuko -
whiteness
leukocyte, a white blood cell
lip- lipo-
fat, lipid
lipase, an enzyme that breaks down fats
-logy
the study of
pathology, the study of changes in structure and function brought on by disease
lute-, luteo-
yellow
micrococcus lutes has yellow colonies
-lysis
loosening
hydrolysis, chemical decomposition of a compound into into other compounds as a result of taking up water
macro-
largeness
macromolecules, large molecules like lipids, proteins and carbohydrates
meningo-
membrane
meningitis, inflammation of the membranes of the brain
meso-
middle
mesophile, an organism whose optimum temperature is in the middle range
meta-
beyond, between, transition
metabolism, chemical changes occurring within a living organism
micro -
smallness
microscope, an instrument used to make small objects appear large
-monas
a unit
Methylomonas, a unit that utilizes methane as its carbon source
mono-
singleness
monotrichous, having one flagellum
moropho-
form
morphology, the study of the form and structure of organisms
multi-
many
multinuclear, having several nuclei
mur-
wall
murrain, a component of bacterial cell walls
mus-, muri-
mouse
murein typhus, a form of typhus endemic in mice
mut-
to change
mutation, a sudden change in characteristics
myco-, -mycetoma, -myces
a fungus
saccharomyces, sugar fungus, a genus of yeast
myxo-
slime, mucus
myxobacterials, an order of slime-producing bacteria
necro-
a corpse
necrosis, cell death or death of a portion of tissue
-nema
a thread
treponema has long, threadlike cells
nigr-
black
Aspergillus niger, a fungus that produces black condia
ob-
before, against
obstruction, impending or blocking up
oculo-
eye
monocular, pertaining to one eye
-oecium, ecium
a house
perithecium, an ascus with an opening that encloses spores
-oid
like, resembling
coccoid, resembling a coccus
olio-
small, few
oligosaccharide, a carbohydrate composed of a few
-oma
tumor
lymphoma, a tumor of the lymphatic tissues
ortho-
straight, direct
orthomyxovirus, a virus with a straight, tubular capsid
-osis, -sis
condition of
lysis, the condition of loosening, symbiosis, the condition of living together
pan-
all universal
pandemic, an epidemic affecting a large region
para-
beside, near
parasite, an organism the “feeds beside” another
peri-
around
peritrichous, projections from all sides
phaeo-
brown
phaeophyta, brown algae
phago-
eat
phagocyte, a cell that engulfs and digests particles or cells
-phil, philo-
liking, preferring
thermophile, an organism that prefers high temperatures
-phore
bears, carries
conidophore, a hypha that bears condia
-phyll
leaf
chlorophyll, the green pigment in leaves
-phyte
plant
saprophyte, a plant that nutrients from decomposing organic matter
pil-
a hair
pilus, a hairlike projection from a cell
plankto-
wandering, roaming
plankton, organisms drifting or wandering in water
-pnoea, -pnea
breathing
dyspnea, difficulty in breathing
pod-
foot
psuedopod, footlike structure
poly-
many
polymorphism, many forms
post-
after, behind
posterior, a place behind a part
pre-, pro-
before, ahead of
prokaryote, a cell without a nucleus; pregnant, before birth
pseudo-
false
pseudopod, false foot
psychro-
cold
psychrophile, an organism that grows best at low temperatures
pyo-
pus
pyogenic, pus forming
rhabdo-
stick, rod
rhabdovirus, an elongated, bullet-shaped virus
rhin-
nose
rhinitis, inflammation of mucous membranes in the nose
rhino-
root
rhizobium, a bacterium that grows in plant roots; mycorrhiza, a fungus that grows in or on roots
Rhoda-, rubric-
red
rhodospirillum, red-pigmented, spiral-shaped bacteria
rumin-
throat
ruminococcus, a bacterium associated with a rumen (modified esophagus)
asccharo-
sugar
disaccharide, a sugar consisting of two simple sugars
sapr-
rotten
saprolegnia, a fungus that lives on dead animals
schizo-
split
schizomycetes, organisms that reproduce by splitting and an early names for bacteria
scolec-
worm
scolex, the “head” of a tapeworm
-scope, -scopic
watcher
microscope, an instrument used to watch small things
semi-
half
semicircular, having the form of a half circle
sept-
rotting
septic, presence or bacteria that could cause decomposition
siphon-
tube
Siphonaptera, the order of fleas, insects with tubular mouths
soma-
body
somatic cells, cells of the body other than gametes
speci-
particular things
species, the smallest group of organisms with similar properties; specify, to indicate exactly
spiro-
coil
spirochete, a bacterium with a coiled cell
sporo-
spore
sporangium, a structure that holds spores
staphylo-
clusters
staphylococcus, a bacterium that forms grape-like clusters of cells
-stasis
arrest, fixation
bacteriostasis of bacterial growth
strepto-
twisted
streptococcus, a bacterium that forms twisted chains of cell
sub-
beneath, under
subcutaneous, just under the skin
super-
above, upon
superior, the quality or state of being above others
sym-, syn-
together, with
synapse, the region of communication between two neurons
-taxi
to touch
chemotaxis, response to the presence of chemicals
therm
heat
thermos, a bacterium that grows in hot springs
thio-
sulfur
thiobacillus, a bacterium capable of oxidizing sulfur-containing compounds
-tone, -tonic
strength
hypotonic, having less strength
tox-
poison
antitoxin, effective against poison
trans-
across, through
transport, movement of substances
tri-
three
trimester, 3 months period
rich-
a hair
peritrichous, hairlike projections from cells
-troph
food
autotrophic, organism that can make its own food
-ty
condition of, state
immunity, the condition of being resistant to disease or infection
undul-
wavy
undulating, rising and falling, presenting a wavy appearance
uni
one
unicellular, pertaining to one cell
vaccin-
cow
vaccination, injection of a vaccine (first true vaccine used cow pox virus)
vacu-
empty
vacuoles, an intercellular space that appears empty
vesic-
bladder
vesicle, a bubble
vitr-
glass
in vitro, in culture media in a glass container
-vorous
to eat
carnivore, an animal that eats other animals
xantho-
yellow
xanthomonas, produces yellow colonies
xeno-
strange
axenic, sterile, free of strange organisms
Xero-
dry
xerophyte, any plant that tolerates dry conditions
zoo-
animal
zoology, the study of animals
-zyme
ferment
enzyme, any protein in living cells that catalyzes chemical reactions