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Edema
(eh-DEE-ma); Swelling; an abnormal buildup of fluid.
Ejaculation: The release of semen through the
penis during orgasm.
Electrodesiccation (e-LEK-tro-des-i-KAY-shun):
Use of an electric current to destroy cancerous tissue
and control bleeding.
Electrolarynx (e-LEK-tro-LAR-inks): A battery-operated
instrument that makes a humming sound to help laryngectomees
talk.
Embolization (EM-bo-li-ZAY-shun): Blocking an
artery so that blood cannot flow to the tumor.
Encapsulated (en-KAP-soo-lay-ted): Confined to
a specific area; the tumor remains in a compact form.
Endocervical curettage (en-do-SER-vi-kul kyoo-re-TAZH):
The removal of tissue from the inside of the cervix
using a spoon-shaped instrument called a curette.
Endocrinologist (en-do-kri-NOL-o-jist): A doctor
that specializes in diagnosing and treating hormone
disorders.
Endometriosis (en-do-mee-tree-O-sis): A benign
condition in which tissue that looks like endometrial
tissue grows in abnormal places in the abdomen.
Endometrium (en-do-MEE-tree-um): The layer of
tissue that lines the uterus.
Endoscope (EN-do-skope): A thin, lighted tube
through which a doctor can look at tissues inside the
body.
Endoscopic retrograde cholangiopancreatography (en-do-SKAH-pik
RET-ro-grade ko-LAN-jee-o-PAN-kree-a-TAW-gra-fee): A
procedure to x-ray the common bile duct. Also called
ERCP.
Endoscopy (en-DOS-ko-pee): An examination of
the esophagus and stomach using a thin, lighted instrument
called an endoscope.
Ependymoma (eh-PEN-dih-MO-ma): A type of brain
tumor that usually develops in the lining of the ventricles,
but may also occur in the spinal chord.
Enterostomal therapist (en-ter-o-STO-mul): A
health professional trained in the care of urostomies
and other stomas.
Environmental tobacco smoke: Smoke that comes
from the burning end of a cigarette and smoke that is
exhaled by smokers. Also called ETS or second-hand smoke.
Inhaling ETS is called involuntary or passive smoking.
Enzyme: A substance that affects the rate at
which chemical changes take place in the body.
Ependymoma (eh-PEN-di-MO-ma): A type of brain
tumor.
Epidermis (ep-i-DER-mis): The upper or outer
layer of the two main layers of cells that make up the
skin.
Epidermoid carcinoma (ep-i-DER-moyd): A type
of lung cancer in which the cells are flat and look
like fish scales. Also called squamous cell carcinoma.
Epiglottis (ep-i-GLOT-is): The flap that covers
the trachea during swallowing so that food does not
enter the lungs.
Epithelial carcinoma (ep-i-THEE-lee-ul kar-si-NO-ma):
Cancer that begins in the cells that line an organ.
Epithelium (EP-i-THEE-lee-um): A thin layer of
tissue that covers organs, glands, and other structures
in the body.
ERCP (endoscopic retrograde cholangiopancreatography)
(en-do-SKOP-ik RET-ro-grade ko-LAN-gee-o-PAN-kree-a-TOG-ra-fee):
A procedure to x-ray the common bile duct.
Erythrocytes (e-RITH-ro-sites): Cells that carry
oxygen to all parts of the body. Also called red blood
cells (RBCs).
Erythroleukemia (e-RITH-ro-loo-KEE-mee-a): Leukemia
that develops in erythrocytes. In this rare disease,
the body produces large numbers of abnormal red blood
cells.
Erythroplakia (eh-RITH-ro-PLAY-kee-a): A reddened
patch with a velvety surface found in the mouth.
Esophageal (e-soff-a-JEE-al): Related to the
esophagus.
Esophageal speech (e-SOF-a-JEE-al): Speech produced
with air trapped in the esophagus and forced out again.
Esophagectomy (e-soff-a-JEK-to-mee): An operation
to remove a portion of the esophagus.
Esophagoscopy (e-soff-a-GOSS-ko-pee): Examination
of the esophagus using a thin, lighted instrument.
Esophagram (e-SOFF-a-gram): A series of x-rays
of the esophagus. The x-ray pictures are taken after
the patient drinks a solution that coats and outlines
the walls of the esophagus. Also called a barium swallow.
Esophagus (e-SOF-a-gus): The muscular tube through
which food passes from the throat to the stomach.
Estrogen (ES-tro-jin): A female hormone.
Etiology: The study of the causes of abnormal
condition or disease.
Ewing's sarcoma (YOO-ingz sar-KO-ma): A bone
cancer that forms in the middle (shaft) of large bones.
It most often affects the hipbones and the bones of
the upper arm and thigh.
External radiation: Radiation therapy that uses
a machine to aim high-energy rays at the cancer. |
