English dictionary of medical terms (31)
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- No:600 - epidermal
pertaining to or resembling epidermis. Called also epidermic or
- No:601 - epidural
situated upon or outside the dura mater.
- No:602 - epigastralgia
(epigastrium + -algia) pain in the epigastrium.
- No:603 - epigastric
(epi- + Gr. gastr belly) pertaining to the epigastrium.
- No:604 - epilepsy
(Gr. epilpsia seizure) paroxysmal transient disturbances of brain
function that may be manifested as episodic impairment or loss of
consciousness, abnormal motor phenomena, psychic or sensory
disturbances, or perturbation of the autonomic nervous system.
Symptoms are due to paroxysmal disturbance of the electrical
activity of the brain. On the basis of origin, epilepsy is
idiopathic (cryptogenic, essential, genetic) or symptomatic
(acquired, organic). On the basis of clinical and
electroencephalographic phenomenon, four subdivisions are
recognized : (1) grand mal e. (major e., haut mal e.) - subgroups
: generalized, focal (localized), jacksonian (rolandic), (2) petit
mal e., (3) psychomotor e. (temporal lobe e., psychic, psychic
equivalent, or variant) - subgroups : psychomotor proper (tonic
with adversive or torsion movements or masticatory phenomena),
automatic (with amnesia), and sensory (hallucinations, or dream
states or déjà vu), (4) autonomic e. (diencephalic), with flushing,
pallor, tachycardia, hypertension, perspiration, or other visceral
symptoms. Called also epilepsia.
- No:605 - epiphyseal
pertaining to or of the nature of an epiphysis.
- No:606 - episiotomy
(episio- + Gr. tom a cutting) surgical incision into the perineum
and vagina to prevent traumatic tearing during delivery.
- No:607 - episode
a noteworthy happening or series of happenings occurring in the
course of continuous events, as an episode of illness; a separate
but not unrelated incident.
- No:608 - epistaxis
nosebleed; haemorrhage from the nose.
- No:609 - epithelioma
(epithelium + -oma) a neoplasm of epithelial origin, ranging from
benign (adenoma and papilloma) to malignant (carcinoma).
- No:610 - epithelium
(epi- + Gr. thl nipple) (NA) the covering of internal and
external surfaces of the body, including the lining of vessels and
other small cavities. It consists of cells joined by small amounts
of cementing substances. Epithelium is classified into types on
the basis of the number of layers deep and the shape of the
- No:611 - equivalent
(L. aequivalens, from aequus equal + valere to be worth) having the
same value; neutralizing or counterbalancing.
- No:612 - erection
(L. erectio) the condition of being made rigid and elevated; as
erectile tissue when filled with blood.
- No:613 - ergotism
chronic poisoning from excessive or misdirected use of ergot as a
medicine, or from eating ergotized grain; it is marked by
cerebrospinal symptoms, spasms, and cramps, or by a kind of dry
gangrene. Called also St. Anthony's fire.
- No:614 - erosion
(L. erosio, from erodere to eat out) 1. an eating away; destruction
of the surface of a tissue, material, or structure. 2. progressive
loss of the hard substance of a tooth by chemical processes that
do not involve bacterial action. See also abrasion . 3. a gradual
breakdown or very shallow ulceration of the skin which involves
only the epidermis and heals without scarring.
- No:615 - eructation
(L. eructatio) the act of belching, or of casting up wind from the
stomach through the mouth.
- No:616 - eruption
(L. eruptio a breaking out) 1. the act of breaking out, appearing,
or becoming visible, as eruption of the teeth. 2. visible
efflorescent lesions of the skin due to disease, especially an
exanthematous disease, and marked by redness and prominence; a
rash. See also exanthema.
- No:617 - erysipelas
(Gr. erythros red + pella skin) an acute superficial form of
cellulitis involving the dermal lymphatics, usually caused by
infection with group A streptococci, and chiefly characterized by
a peripherally spreading hot, bright red, edematous, brawny,
infiltrated, and sharply circumscribed plaque with a raised
indurated border. Formerly called St. Anthony's fire. Cf.
cellulitis and phlegmon.
- No:618 - erythema
(Gr. erythma flush upon the skin) a name applied to redness of the
skin produced by congestion of the capillaries, which may result
from a variety of causes, the etiology or a specific type of lesion
often being indicated by a modifying term.
- No:619 - erythrasma
a chronic, superficial bacterial infection of the skin involving
the body folds and toe webs, sometimes becoming generalized, caused
by Corynebacterium minutissimum, and characterized by the presence
of sharply demarcated, dry, brown, slightly scaly, and slowly
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