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Prefixes/Suffixes
useful prefixes and suffixes common in bio
83
Biology
Undergraduate 1
08/30/2007

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Term
angio-
Definition
(G) vessel;
angioplasty: enlarging a vessel usually with a balloon catheter
Term
antho-
Definition
(G) flower;
anthophyta: the division of plants with flowers
Term
ab-
Definition
(L) away from;
abscission: a dropping off or away of leaves
Term
anti-
Definition
(G) against;
antibiotic: an organic compound that acts against antigens
Term
arthr-
Definition
(G) joint;
arthropods: jointed appendaged animals
Term
auto-
Definition
(G) self;
autotroph: self-feeder
Term
bi-, bin-
Definition
(L) two;
binomial nomenclature: a system of naming organisms consisting of two names
Term
bio-
Definition
(G) life;
biology: the study or science of life
Term
blast-
Definition
(G) embryonic or growing thing in early stages;
blastula: an early stage of an embryo
Term
cardi-
Definition
(G) heart;
cardiac muscle: heart muscle
Term
chondr-
Definition
(G) cartilage;
chondricythyes: fish with cartilage composing their skeleton
Term
chlor-
Definition
(G) green;
chlorophyll: a green plant pigment
Term
chromo-
Definition
(G) color;
chromoplasts: plastids which contain colors seen in autumn leaves
Term
cut-
Definition
(L) skin;
cuticle: the "skin" of a leaf
Term
cyto-
Definition
(G) cell;
cytology: the study of the cell
Term
derm-, dermat-
Definition
(G) skin;
epidermis: the uppermost layer of skin
Term
di-
Definition
(L) two;
disaccharide: a sugar composed of two simple sugars
Term
ecto-
Definition
(G) outside;
ectoderm: skin located on the outside of the embryo
Term
end-
Definition
(G) within;
endoderm: skin located within the embryo, its inner layer.
Term
epi-
Definition
(G) on, over, or above;
epidermis: the layer of skin on or above the dermis
Term
erythro-
Definition
(G) red;
erythrocyte: a red blood cell
Term
eu-
Definition
(G) good or well;
eusocial: work for the good of the society
Term
ex-, e-
Definition
(L) out;
excrete: to throw out of eliminate waste from the body
Term
exo-
Definition
(G) outside;
exoskeleton: the skeleton on the outside (usually on insects)
Term
extra-
Definition
(G) outside;
extraembryonic membranes: membranes found outside the embryo
Term
gastr-
Definition
(G) stomach;
gastric: pertaining to the stomach
Term
gluc-
Definition
(G) sweet;
glucose: a simple sugar that is sweet
Term
glyco-
Definition
(G) sugar;
glycolysis: the breakdown of the sugar glucose
Term
gymno-
Definition
(G) naked;
gymnosperms: the naked seeded plants
Term
haplo-
Definition
(G) single;
haploid: having one (a single) set of chromosomes
Term
hem-, hemat-
Definition
(G) blood;
hemoglobin: a protein of the blood
Term
herba-
Definition
(G) grass;
herbivore: an animal that eats grass or plants
Term
hepat-
Definition
(G) liver;
hepatic portal vein: a vein that connects the intestine and liver
Term
hetero-
Definition
(G) other or different;
heterotroph: when an organism feeds on other organisms
Term
homo-
Definition
(G) same;
homologous: when two chromosomes are the same or paired
Term
hydr-
Definition
(G) water;
hydroloysis: using water to split a molecule into two parts
Term
hyper-
Definition
(G) above, beyond, excess of;
hypertonic: having an excess of ions
Term
hypo-
Definition
(G) under, deficiency of, beneath;
hypotonic: having a deficiency of ions
Term
inter-
Definition
(L) between;
intercellular: located between the cells
Term
intra-
Definition
(L) within, inside;
intracellular: located within the cells
Term
leuko-
Definition
(G) white;
leukocyte: a white blood cell
Term
lipo-
Definition
(G) fat;
lipids: fat molecules
Term
macro-
Definition
(G) large or great;
macromolecules: molecules that are very large
Term
mega-
Definition
(G) large or great;
megaspore: the female gamophyte which is larger in comparison to the male
Term
meso-
Definition
(G) middle;
mesoderm: the middle layer of the 3 germ layers
Term
meta-
Definition
(L) middle, between;
metaphase: middle phase in mitosis
Term
micro-
Definition
(G) small;
micronutrient: a nutrient needed by a plant in small amounts
Term
mono-
Definition
(G) one, single;
monosaccharide: a single sugar molecule
Term
morpho-
Definition
(G) form, shape;
morphogenesis: the changes of form of an organism
Term
muta-
Definition
(L) change;
mutagen: an agent that will cause a genetic change
Term
myc-
Definition
(G) fungi;
mycology: the study of fungi
Term
nephr-
Definition
(G) kidney;
nephron: the functional unit of the kidney
Term
noto-
Definition
(G) back;
notochord: a cartilaginous structure that runs down the back of chordates during some developments
Term
osteo-
Definition
(G) bone;
osteoporosis: a disorder that involves loss of calcium from bones
Term
path-
Definition
(G) disease;
pathogenic: disease causing phagocytes
Term
phago-
Definition
(G) to eat;
phagocytes: white blood cells which eat bacteria
Term
phyto-
Definition
(G) plant;
phytochromes: plant pigments
Term
poly-
Definition
(G) many;
polysaccharides: having many simple sugars linked together
Term
pro-
Definition
(G) before;
prokaryote: organisms lacking a nucleus (i.e. before a nucleus)
Term
proto-
Definition
(G) first, primary;
protoderm: a primary meristematic tissue found in plants
Term
rene-
Definition
(L) kidney;
renal artery, the artery that supplies blood to the kidney
Term
rhiz-
Definition
(G) root;
rizoids: rootlike structures
Term
soma-
Definition
(G) body;
somatic cells: body cells
Term
stoma-
Definition
(G) mouth;
stomata: openings (mouths) in leaves through which gases pass
Term
sym-, syn-
Definition
(G) together, with;
sympatric speciation: speciation without isolation geographically
Term
taxis-
Definition
(G) arrange, put in order;
taxonomy: the classification of organisms
Term
therm-
Definition
(G) heat;
endotherm: organism which maintains its body temperature internally through metabolic processes
Term
tox-
Definition
(G) poison;
toxic: acting so as to make one ill or cause death
Term
trans-
Definition
(L) across;
transposon: a DNA segment that can move from one location in a chromosome to another
Term
tri-
Definition
(L/G) three;
trisomy: having 3 homologous chromosomes
Term
trop-
Definition
(G) turning;
gravitropism: a plant response to gravity where the plant shoot turns away from the source of gravity and the root turns toward it
Term
troph-
Definition
(G) one who feeds;
trophic levels: the position of a species in a food chain
Term
tugere-
Definition
(L) to swell;
turgor: the pressure exerted on the plant cell wall which results from osmosis causing the cell to swell
Term
vas-
Definition
(L) vessel;
vascular tissue: tissue-containing vessels that conduct fluid
Term
vita-
Definition
(L) life;
vitamin: substances required in small amounts for normal growth and function
Term
zoo-
Definition
(G) animal;
zoology: the study of animals
Term
-ase
Definition
(G) enzyme;
lipase: an enzyme that breaks down fats or lipids
Term
-cyte
Definition
(G) cell;
spermatocyte: the cells which give rise to spermatids by meiosis
Term
-logy
Definition
(G) science of, study of;
zoology: the study of animals
Term
-lysis
Definition
(G) loosening, dissolution;
hydrolysis: the dissolution of a single molecule into 2 molecules using water
Term
-osis
Definition
(G) being affected with;
atherosclerosis: being affected with fatty deposits in the arteries
Term
-phobic
Definition
(G) fear;
hydrophobic: water fearing or not mixing with water
Term
-vore
Definition
(L) to devour;
carnivore: an animal that devours or eats meat or flesh
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