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ec-
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(ek-)
out of or outside
e.g.
eccrine = (adjective describing) sweat glands that are found all
over the body.
General terms :
Prefixes
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ect-
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(ekt-)
outer or external
e.g.
ectoderm = the outer of the three layers of the early embryo.
General terms :
Prefixes
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-ectasis
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(-ek-tay-sis)
dilatation, expansion,
distension
e.g. angioectasis = abnormal dilation of a blood
vessel.
General terms :
Suffixes
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-ectomy
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(-ek-toh-mee)
excision
e.g.
tonsillectomy = removal of tonsils.
General terms :
Suffixes
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eczema
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(eks'ima)
inflammation of the skin,
usually causing itching and sometimes scaling or blistering. Can
also be referred to as dermatitis.
Diseases &
procedures : Diseases
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efferent
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(ef'ur-ent)
conveying away from (any
point of reference).
General terms :
Views of the body
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ejaculatory duct
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(ee-jak-yoo-lay�tor-ee)
passage from
which semen is discharged into the
male urethra.
Body system
terms : Reproductive system
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electrocardiogram
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(el-ek-troh-kar'dee-oh-gram)
recording/tracing of the pattern
of the heart�s electrical impulses.
Diseases &
procedures : Procedures
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electrolyte balance
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(el-ek'troh-lite)
distribution of
acids, bases and salts in tissue cells, fluids and blood plasma
which helps maintain normal pH and control the passage of water
between cell membranes.
Body system
terms : Endocrine system
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elimination
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(ee-lim-in-ay�shun)
removal of waste
materials from the body.
Body system
terms : Digestive system
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em-, en-
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(em-, en-)
in, on
e.g. empyema =
pus in a body cavity.
General terms :
Prefixes
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embolectomy
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(em-boh-lekt'oh-mee)
emergency
procedure to remove a blood clot (embolus).
Diseases &
procedures : Procedures
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embolism
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(em'bol-izm)
blockage of an artery, usually by a blood clot
(embolus).
Diseases &
procedures : Diseases
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embryo
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(em'bree-oh)
developing foetus during the first two months of
pregnancy.
Body system
terms : Reproductive system
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emphysema
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(em-fi-see'mer)
a disease in which the
walls of the air sacs in the lungs,
known as alveoli, are progressively
destroyed, thus reducing the area of lung available for gaseous
exchange.
Diseases &
procedures : Diseases
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encephal-
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(en-sef-ul-)
(to do with the) brain.
General terms :
Root words
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end-
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(end-)
within
e.g. endoscope =
instrument for examining the interior of a body cavity.
General terms :
Prefixes
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endocardium
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(end'oh-kar'dee-um)
inner layer of the
three layers of the heart - forms a
lining to the myocardium and is
continuous with the lining of the blood vessels; see also pericardium.
Body system
terms : Blood, and the circulatory system
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endocrine
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(en�doh-krin)
capable of secreting
internally.
Body system
terms : Endocrine system
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endocrine gland
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(en�doh-krin)
an organ which secretes
hormones directly into the
circulatory system to influence and regulate numerous body
processes.
Body system
terms : Endocrine system
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endocrine system
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(en�doh-krin)
all the glands of
internal secretion concerned with regulating and influencing
organs and processes by the hormones
they produce.
Body system
terms : Endocrine system
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endometriosis
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(en-doh-mee-tree-oh'sis)
a condition in
which fragments of the endometrium
are located in other parts of the body, usually in the pelvic
cavity.
Diseases &
procedures : Diseases
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endometrium
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(en-doh-mee�tree-um)
lining of the
uterus.
Body system
terms : Reproductive system
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enter-
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(en-tur-)
(to do with the) intestines.
General terms :
Root words
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epi-
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(ep-i-)
upon, after, in addition
e.g. epidermis = outer layer of skin.
General terms :
Prefixes
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epidermis
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(ep-i-dur�mis)
superficial (outer)
layer of the skin.
Body system
terms : Skin and subcutaneous tissue
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epididymis
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(ep-i-did�i-mis)
(pl: -mides)
small but lengthy convoluted tube which begins at its attachment
to the testis and ends in the vas deferens.
Body system
terms : Reproductive system
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epididymitis
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(ep-i-did-i-my'tis)
inflammation of the
epididymis due to infection.
Diseases &
procedures : Diseases
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epiglottis
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(ep-i-glot�iss)
lid which covers and
closes the larynx during swallowing
to prevent entry of food into lungs.
Body system
terms : Digestive system
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epilepsy
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(ep-i-lep'see)
a tendency to have
recurrent seizures caused by abnormal electrical discharge to
the brain.
Diseases &
procedures : Diseases
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epiphysis
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(e-pif�i-sis)
end of a long bone;
plural: epiphyses.
Body system
terms : Musculoskeletal system
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equilibrium
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(e-kwi-lib�ree-um)
a state of
balance.
Body system
terms : The ears
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erythrocytes
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(e-rith'roh-sites)
red blood cells that
carry oxygen from the lungs to cells
in the body and return carbon dioxide; see also leucocytes.
Body system
terms : Blood, and the circulatory system
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Eustachian tube
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(yoo-stay�shun)
a conduit 3-4cm long
from the middle ear to the nasopharynx.
Body system
terms : The ears
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ex-
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(eks-)
out of
e.g. exophthalmos =
abnormal protrusion of the eyeball.
General terms :
Prefixes
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excretory
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(eks-kree'tor-ee)
pertaining to
discharge of waste products from the body.
Body system
terms : Urinary system
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exhale
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(eks-hale�)
to expel deoxygenated air
from the lungs by breathing.
Body system
terms : Respiratory system
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exocrine
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(eks�oh-krin)
capable of external
secretion.
Body system
terms : Endocrine system
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extension
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(eks-ten�shun)
moving a joint so that
the bones forming the joint are moved away from each other.
General terms :
Movements of the body
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external auditory canal
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(ord'it-or-ee)
the tube leading from
the external opening to the tympanic
membrane.
Body system
terms : The ears
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external ear
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the pinna and
external auditory canal.
Body system
terms : The ears
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external iliac artery
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(il�ee-ak)
artery that starts at the common iliac artery, taking blood to
the abdominal wall, external genitalia and lower limbs.
Body system
terms : Blood, and the circulatory system
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extraocular
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(eks-trah-ok�yoo-lar)
outside the
eye.
Body system
terms : The eyes
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eyebrow
|
arched ridge of hairs growing at the
junction of the forehead and upper eyelid
, to protect the eyeball.
Body system
terms : The eyes
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eyelid
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a moveable fold of tissue, above and below
the front of each eye which protects the eyeball.
Body system
terms : The eyes
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