tact-
touch
tactile sense
telo-
the end
telophase, the end of mitosis
templ-, tempo-
time
temporal summation of nerve impulses
tens-
stretched
muscle tension
terti-
third
fibularis tertius, one of three fibularis muscles
tetan-
rigid, tense
tetanus of muscles
therm-
heat
thermometer, an instrument used to measure heat
thromb-
clot
thrombocyte, thrombus
thyro-
a shield
thyroid gland
tissu-
woven
tissue
tono-
tension
tonicity, hypertonic
tox-
poison
toxicology, study of poisons
trab-
beam, timber
trabeculae, spicules of bone in spongy bone tissue
trans-
across, through
transpleural, through the pleura
trapez-
table
trapezius, the four-sided muscle of the upper back
tri-
three
trifurcation, division into three branches
trop-
turn, change
tropic hormones, whose targets are endocrine glands
troph-
nourish
trophoblast, from which develops the fetal portion of the
placenta
tuber-
swelling
tuberosity, a bump on a bone
tunic-
covering
tunica albuginea, the covering of the testis
tympan-
drum
tympanic membrane, the eardrum
ultra-
beyond
ultraviolet radiation, beyond the band of visible light
vacc-
cow
vaccine
vagin-
a sheath
vagina
vagus
wanderer
the vagus nerve, which starts at the brain and travels into
the abdominopelvic cavity
valen-
strength
valence shells of atoms
venter, ventr-
abdomen, belly
ventral (directional term), ventricle
vent-
the wind
pulmonary ventilation
vert-
turn
vertebral column
vestibul-
a porch
vestibule, the anterior entryway to the mouth and nose
vibr-
shake, quiver
vibrissae, hairs of the nasal vestibule
villus
shaggy hair
microvilli, which have the appearance of hair in light
microscopy
viscero-
organ, viscera
visceroinhibitory, inhibiting the movements of the
viscera
viscos-
sticky
viscosity, resistance to flow
vita-
life
vitamin
vitre-
glass
vitreous humor, the clear jelly of the eye
viv-
live
in vivo
vulv-
a covering
vulva, the female external genitalia
zyg-
a yoke, twin
zygote
Suffixes
-able
able to, capable of
viable, ability to live or exist
-ac
referring to
cardiac, referring to the heart
-algia
pain in a certain part
neuralgia, pain along the course of a nerve
-apsi
juncture
synapse, where two neurons communicate
-ary
associated with, relating to
coronary, associated with the heart
-asthen
weakness
myasthenia gravis, a disease involving paralysis
-bryo
swollen
embryo
-cide
destroy or kill
germicide, an agent that kills germs
-cipit
head
occipital
-clast
break
osteoclast, a cell that dissolves bone matrix
-crine
separate
endocrine organs, which secrete hormones into the blood
-dips
thirst, dry
polydipsia, excessive thirst associated with diabetes
-ectomy
cutting out, surgical removal
appendectomy, cutting out of the
appendix
-ell, -elle
small
organelle
-emia
condition of the blood
anemia, deficiency of red blood cells
-esthesi
sensation
anesthesia, lack of sensation
propri-
one's own
proprioception, awareness of body parts and movement
pseudo-
false
pseudotumor, a false tumor
psycho-
mind, psyche
psychogram, a chart of personality traits
ptos-
fall
renal ptosis, a condition in which the kidneys driF below their
normal position
pub-
of the pubis
puberty
pulmo-
lung
pulmonary artery, which brings blood to the lungs
pyo-
pus
pyocyst, a cyst that contains pus
pyro-
fire
pyrogen, a substance that induces fever
quad-, quadr-
four-sided
quadratus lumborum, a muscle with a square
shape
re-
back, again
reinfect
rect-
straight
rectus abdominis, rectum
ren-
kidney
renal; renin, an enzyme secreted by the kidney
retin-, retic-
net, network
endoplasmic reticulum, a network of membra-
nous sacs within a cell
retro-
backward, behind
retrogression, to move backward in development
rheum-
watery flow, change, flux
rheumatoid arthritis; rheumatic fever
rhin-, rhino-
nose
rhinitis, inflammation of the nose
ruga-
fold, wrinkle
rugae, the folds of the stomach, gallbladder, and urinary
bladder
sagitt-
arrow
sagittal (directional term)
salta-
leap
saltatory conduction, the rapid conduction of impulses along
myelinated neurons
sanguin-
blood
consanguineous, indicative of a genetic relationship be-
tween individuals
sarco-
flesh
sarcomere, unit of contraction in skeletal muscle
saphen-
visible, clear
great saphenous vein, superficial vein of the
thigh and leg
sclero-
hard
sclerodermatitis, inflammatory thickening and hardening of
the skin
seb-
grease
sebum, the oil of the skin
semen
seed, sperm
semen, the discharge of the male reproductive system
semi-
half
semicircular, having the form of half a circle
sens-
feeling
sensation, sensory
septi-
rotten
sepsis, infection; antiseptic
septum
fence
nasal septum
sero-
serum
serological tests, which assess blood conditions
serrat-
saw
serratus anterior, a muscle of the chest wall that has a jagged
edge
sin-, sino-
a hollow
sinuses of the skull
soma-
body
somatic nervous system
somn-
sleep
insomnia, inability to sleep
sphin-
squeeze
sphincter
splanchn-
organ
splanchnic nerve, autonomic supply to abdominal viscera
spondyl-
vertebra
ankylosing spondylitis, rheumatoid arthritis affecting
the spine
squam-
scale, flat
squamous epithelium, squamous suture of the skull
steno-
narrow
stenocoriasis, narrowing of the pupil
strat-
layer
strata of the epidermis; stratified epithelium
stria-
furrow, streak
striations of skeletal and cardiac muscle tissue
stroma
spread out
stroma, the connective tissue framework of some organs
sub-
beneath, under
sublingual, beneath the tongue
sucr-
sweet
sucrose, table sugar
sudor-
sweat
sudoriferous glands, the sweat glands
super-
above, upon
superior, quality or state of being above other parts
supra-
above, upon
supracondylar, above a condyle
sym-, syn-
together, with
synapse, the region of communication between
two neurons
synerg-
work together
synergism
systol-
contraction
systole, contraction of the heart
tachy-
rapid
tachycardia, abnormally rapid heartbeat
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