corn-, cornu-
horn
stratum corneum, outer layer of the skin composed of
(horny) cells
corona
crown
coronal suture of the skull
corp-
body
corpse; corpus luteum, hormone-secreting body in the ovary
cort-
bark
cortex, the outer layer of the brain, kidney, adrenal glands, and
lymph nodes
cost-
rib
intercostal, between the ribs
crani-
skull
craniotomy, a skull operation
crypt-
hidden
cryptomenorrhea, a condition in which menstrual symp-
toms are experienced but no external loss of blood occurs
cusp-
pointed
bicuspid, tricuspid valves of the heart
cutic-
skin
cuticle of the nail
cyan-
blue
cyanosis, blue color of the skin due to lack of oxygen
cyst-
sac, bladder
cystitis, inflammation of the urinary bladder
cyt-
cell
cytology, the study of cells
de-
undoing, reversal, loss, removal
deactivation, becoming inactive
decid-
falling off
deciduous (milk) teeth
delta
triangular
deltoid muscle, roughly triangular in shape
den-, dent-
tooth
dentin of the tooth
dendr-
tree, branch
dendrites, branches of a neuron
derm-
skin
dermis, deep layer of the skin
desm-
bond
desmosome, which binds adjacent epithelial cells
di-
twice, double
dimorphism, having two forms
dia-
through, between
diaphragm, the wall through or between two areas
dialys-
separate, break apart
kidney dialysis, in which waste products are
removed from the blood
diastol-
stand apart
cardiac diastole, between successive contractions of
the heart
diure-
urinate
diuretic, a drug that increases urine output
dors-
the back
dorsal, dorsum, dorsiflexion
duc-, duct
lead, draw
ductus deferens, tube which carries sperm from the
epididymis into the urethra during ejaculation
dura
hard
dura mater, tough outer meninx
dys-
difficult, faulty, painful
dyspepsia, disturbed digestion
ec-, ex-, ecto-
out, outside, away from
excrete, to remove materials from
the body
ectop-
displaced
ectopic pregnancy; ectopic focus for initiation of heart
contraction
edem-
swelling
edema, accumulation of water in body tissues
ef-
away
efferent nerve fibers, which carry impulses away from the central
nervous system
ejac-
to shoot forth
ejaculation of semen
embol-
wedge
embolus, an obstructive object traveling in the bloodstream
en-, em-
in, inside
encysted, enclosed in a cyst or capsule
enceph-
brain
encephalitis, inflammation of the brain
endo-
within, inner
endocytosis, taking particles into a cell
entero-
intestine
enterologist, one who specializes in the study of intestinal
disorders
epi-
over, above
epidermis, outer layer of skin
erythr-
red
erythema, redness of the skin; erythrocyte, red blood cell
eso-
within
esophagus
eu-
well
euesthesia, a normal state of the senses
excret-
separate
excretory system
exo-
outside, outer layer
exophthalmos, an abnormal protrusion of the eye
from the orbit
extra-
outside, beyond
extracellular, outside the body cells of an organism
extrins-
from the outside
extrinsic regulation of the heart
fasci-, fascia-
bundle, band
superficial and deep fascia
fenestr-
window
fenestrated capillaries
ferr-
iron
transferrin, ferritin, both iron-storage proteins
flagell-
whip
flagellum, the tail of a sperm cell
flat-
blow, blown
flatulence
folli-
bag, bellows
hair follicle
fontan-
fountain
fontanelles of the fetal skull
foram-
opening
foramen magnum of the skull
foss-
ditch
fossa ovalis of the heart; mandibular fossa of the skull
gam-, gamet-
married, spouse
gametes, the sex cells
gangli-
swelling, or knot
dorsal root ganglia of the spinal nerves
gastr-
stomach
gastrin, a hormone that influences gastric acid secretion
gene
beginning, origin
genetics
germin-
grow
germinal epithelium of the gonads
gero-, geront-
old man
gerontology, the study of aging
gest-
carried
gestation, the period from conception to birth
glauc-
gray
glaucoma, which causes gradual blindness
glom-
ball
glomeruli, clusters of capillaries in the kidneys
glosso-
tongue
glossopathy, any disease of the tongue
gluco-, glyco-
gluconeogenesis, the production of glucose from noncarbo-
hydrate molecules
glute-
buttock
gluteus maximus, largest muscle of the buttock
gnost-
knowing
the gnostic sense, a sense of awareness of self
gompho-
nail
gomphosis, the term applied to the joint between tooth and
jaw
gon-, gono-
seed, offspring
gonads, the sex organs
gust-
taste
gustatory sense, the sense of taste
hapt-
fasten, grasp
hapten, a partial antigen
hema-, hemato-, hemo-
blood
hematocyst, a cyst containing blood
hemi-
half
hemiglossal, pertaining to one-half of the tongue
hepat-
liver
hepatitis, inflammation of the liver
hetero-
different or other
heterosexuality, sexual desire for a person of the
opposite sex
hiat-
gap
the hiatus of the diaphragm, the opening through which the
esophagus passes
hippo-
horse
hippocampus of the brain, shaped like a seahorse
hirsut-
hairy
hirsutism, excessive body hair
hist-
tissue
histology, the study of tissues
holo-
whole
holocrine glands, whose secretions are whole cells
hom-, homo-
same
homeoplasia, formation of tissue similar to normal tis-
sue; homocentric, having the same center
hormon-
to excite
hormones
humor-
a fluid
humoral immunity, which involves antibodies circulating
in the blood
hyal-
glass, clear
hyaline cartilage, which has no visible fibers
hydr-, hydro-
water
dehydration, loss of body water
hyper-
excess
hypertension, excessive tension
hypno-
sleep
hypnosis, a sleeplike state
hypo-
below, deficient
hypodermic, beneath the skin; hypokalemia, defi-
ciency of potassium
hyster-, hystero-
uterus, womb
hysterectomy, removal of the uterus; hys-
terodynia, pain in the womb
ile-
intestine
ileum, the last portion of the small intestine
im-
not
impermeable, not permitting passage, not permeable
inter-
between
intercellular, between the cells
intercal-
insert
intercalated discs, the end membranes between adjacent
cardiac muscle cells
intra-
within, inside
intracellular, inside the cell
iso-
equal, same
isothermal, equal, or same, temperature
jugul-
throat
jugular veins, prominent vessels in the neck
juxta-
near, close to
juxtaglomerular complex, a cell cluster next to a glom-
erulus in the kidneys
karyo-
kernel, nucleus
karyotype, the assemblage of the nuclear chromo-
somes
kera-
horn
keratin, the water-repellent protein of the skin
kilo-
thousand
kilocalories, equal to 1000 calories
kin-, kines-
move
kinetic energy, the energy of motion
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