| ECHOCARDIOGRAM: |
Test in which pulses of sound are sent into the chest;
the echoes returning from the heart produce images that are recorded. |
| ECT-, ECTO-: |
Prefixes meaning outside. |
| ECTOPIC: |
Abnormal placement, such as of a fertilized egg in a fallopian tube. |
| ECZEMA: |
Non-contagious disease of the skin characterized by redness, itching,
scaling and lesions with discharge. Frequently becomes encrusted. Eczema
primarily affects young children. The underlying cause is usually an allergy
to many things, including foods, wool, skin lotions. The disorder may begin
in month-old babies. It usually subisdes by age 3 but may flare again at
age 10 to 12 and last through puberty. |
| EDEMA: |
See OEDEMA. |
| ELECTROCARDIOGRAM (E.C.G. or E.K.G.): |
A graphic record of electrical activity within the heart; typically
used to diagnose various heart conditions or to confirm a diagnosis of
heart attack. |
| ELECTROENCEPHALOGRAM (E.E.G.): |
A record of the activity and types of brain waves illustrated as a
graph. |
| ELECTROMYOGRAM (E.M.G.): |
An electrical test of muscle contraction. |
| ELECTRONIC FETAL MONITOR: |
A machine that continuously records fetal heartbeat or maternal uterine
contractions. It may be attached externally to a woman's abdomen by two
belts or through the vagina with an electrode on the baby's scalp. |
| EMBOLECTOMY: |
The surgical removal of blood clot from arteries or veins. |
| EMBOLISM: |
Obstruction of a blood vessel by a blood clot, air bubble, fat deposit,
or other foreign substance. |
| EMBRYO: |
Term used for the baby during the first 8 weeks of life in the uterus. |
| EMESIS: |
Vomiting. |
| EMISSION: |
Discharge of fluid. |
| EMPHYSEMA: |
A condition where the lungs are unable to perform properly, causing
shortness of breath. |
| EMBRYOTOXON: |
A congenital eye condition in which the margin of the cornea is opaque. |
| EN-, ENDO-: |
Prefixes meaning inside or within. |
| ENCEPHALOCELE: |
Protrusion of the brain or part of the brain through a fissure in the
bones of the skull. |
| ENCEPHALOPATHY: |
Cerebral (brain) disease. |
| ENDOCARDITIS: |
Inflammation of the lining of the heart. |
| ENDOMETRIUM: |
The inner layer of the uterus. |
| ENTERAL: |
Through the digestive tract. |
| ENZYME: |
Protein chemicals that serve as catalysts for specific functions in
the body, such as digestion, without being consumed in the process. |
| EPEPHORA: |
An overflow of tears from obstruction of the lacrimal ducts of the
eye. |
| EPIBULBAR: |
Located on the eyeball. |
| EPICANTHIC FOLDS: |
Folds of skin of the upper eyelid continued over the inner (nasal)
edge of the eye. |
| EPICARDIUM: |
The thin membrane on the surface of the heart. See Endocardium and
Myocardium. |
| EPIDEMIOLOGY: |
The study of a disease that deals with how many people have it, where
they are, how many new cases develop, and how to control the disease. |
| EPIDERMIS: |
The outer surface layer of the skin that contains both squamous and
basal cells. |
| EPIGLOTTIS: |
The small flap of cartilage that covers the trachea during swallowing
so that food does not enter the lungs. |
| EPINEURAL: |
On the outside of a nerve trunk. |
| EPIPHYSIS: |
A secondary bone forming centre attached to a bone and separated from
it by cartilage. |
| EPISPADIAS: |
A congenital deformity in which the urethra opens on the upper surface
of the penis. |
| EPISTAXIS: |
Nose bleeds. |
| EPITHELIUM: |
Skin. |
| ERYTHEMA: |
Area of reddened skin due to small blood vessels dilating in the skin. |
| ERYTHYROCYTES: |
Red blood cells. |
| ESOPHAGEAL SPHINCTER: |
A circular band of muscle where the esophagus is attached to the stomach. |
| ESOPHAGUS: |
See OESOPHAGUS. |
| ESTROGEN: |
See OESTROGEN. |
| EUSTACHIAN TUBE: |
A structure that extends from the throat to the middle-ear cavity and
controls air flow between the two. |
| EXCISION: |
Surgical removal for diagnostic and/or therapeutic purposes. |
| EXOSTOSIS: |
A bony growth that grows on a bone. |
| EXPIRATION: |
Letting a breath out; exhalation. |
| EXTENSOR: |
A muscle which causes extension (as distinct from flexion) of a joint,
generally meaning alignment of the components, or movement of the distal
component towards the back of the body. |
| EXTRANEOUS MOVEMENT: |
Any irrelevant movement, such as unnecessary tapping of feet or fingers. |
| EXTREMITIES: |
The limbs of a person's body. |
| EXTROPHY: |
Congenital condition in which an internal organ is malformed. |
| EXTRUSION: |
Outward displacement of the contents of an organ. |
