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Extracolonic
Extracolonic Outside the colon. An hereditary colon cancer syndrome may also predispose to extracolonic malignancies.
RELATED TERMS--------------------------------------
Colon
Another name for the large intestine. The section of the large intestine extending from the cecum to the rectum. An adult colon is approximately five to six feet in length and is responsible for absorbing water and forming, storing and expelling waste.
Hereditary
Transmitted from parent to offspring; derived from ancestry.
Cancer
Any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream.
Syndrome
A grouping of signs and symptoms, based on their frequent co-occurrence, that may suggest a common underlying pathogenesis, course, familial pattern, or treatment selection.
Extracolonic
Outside the colon. An hereditary colon cancer syndrome may also predispose to extracolonic malignancies.
SIMILAR TERMS--------------------------------------
Extra-strength aim
Extra-strength aim is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): sodium monofluorophosphate.
Extracellular
Outside the cells.
Extracerebral
Located outside the cerebral hemispheres.
Extracorporeal
Outside the body, in the anatomic sense. As in extracorporeal circulation, extracorporeal dialysis, and extracorporeal shock wave lithotripsy.
Extracorporeal membrane oxygenation
(ECMO) A life support system that circulates the blood through an oxygenating system. ECMO is like a heart-lung machine that takes over the work of the heart and lungs during open heart surgery. ECMO may be used, for example, to treat ARDS (acute respiratory distress syndrome), lethal smoke inhalation injury, or irreversible heart failure. As a general rule, ECMO is only used for limited time because of the high risks of bleeding, clotting, infection and organ failure.
Extracorporeal shock wave lithotripsy
A technique for shattering stones such as kidney stones or gallstones with a shock wave produced outside the body.
Extracorporeal shock wave lithotripsy (ESWL)
A method of breaking up bile stones and gallstones. Uses a specialized tool and shock waves.
Extracranial
Outside the cranium, the bony dome that houses and protects the brain. As opposed to intracranial, inside the cranium.
Extracranial hematoma
A hematoma (a collection of blood) outside the cranium (skull).
Extraction
Removal of a tooth
Extradural
External (outside) to the dura mater.
Extraembryonic tissues
Intrauterine tissues derived from the zygote that support the embryo(for example, the placenta, the umbilical cord, and membranes such as the amniotic sac).
Extrafallopian
A term meaning "outside the fallopian tube." There are two fallopian tubes in female mammals, including human females. These tubes are also called oviducts. They serve as passageways connecting the egg-producing ovaries to the uterus (womb) in the pelvis.
Extraneal
Extraneal is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): icodextrin.
Extraocular
Adjacent to but outside the eyeball.
Extrapyramidal side effects
Physical symptoms, including tremor, slurred speech, akathesia, dystonia, anxiety, distress, paranoia, and bradyphrenia, that are primarily associated with improper dosing of or unusual reactions to neuroleptic (anti-psychotic) medications.
Extrapyramidal system
System consisting of nerve cells, nerve tracts and pathways that connects the cerebral cortex, basal ganglia, thalamus, cerebellum, reticular formation, and spinal neurons that is concerned with the regulation of reflex movements such as balance and walking.
Extrastriate cortex
Region of primate cerebral cortex anterior to striate cortex.
Extrasystole
A premature contraction of the heart that is independent of the normal rhythm of the heart and that arises in response to an impulse in some part of the heart other than the normal impulse from the sinoatrial (SA) node. The extrasystole is followed by a pause, as the heart electrical system "resets" itself and the contraction following the pause is usually more forceful than normal. These more forceful contractions are frequently perceived as palpitations.
Extrauterine
Outside the uterus (the womb). As opposed to intrauterine: inside the uterus. For example, normal pregnancies are intrauterine; extrauterine pregnancies can occur in the uterine tube or abdominal cavity and are distinctly abnormal.
Extrauterine pregnancy
A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A fertilized egg settles and grows in any location other than the inner lining of the uterus. The large majority (95%) of extrauterine pregnancies occur in the Fallopian tube. However, they can occur in other locations, such as the ovary, cervix, and abdominal cavity.
Extravasate
To seep through the skin, like drops of perspiration, or more accurately as plasma seeps through from the underlying capillaries to form droplets of lubrication on the adjoining vaginal mucosa.
Extraversion
A state in which attention and energies are largely directed outward from the self as opposed to inward toward the self, as in introversion.
Extremity
The extremities in medical language are not freezing cold or scorching heat but rather the uttermost parts of the body. The extremities are simply the hands and feet.
Extremophile
An organism that lives under extreme conditions. An example of an extremophile is Methanococcus jannaschii, a microbe that lives near hydrothermal vents deep beneath the sea.
Extrinsic
1. Not an essential or inherent part of a something such as a structure. 2. Coming from the outside. Extrinsic forces can mold the head before birth.
Extrinsic asthma
Asthma that is triggered by an allergic reaction, usually to something that is inhaled.
PREVIOUS AND NEXT TERMS--------------------------------------
Extension
The process of straitening or the state of being strait. Extension of the hip and knee joints is necessary to stand up from the sitting position.
External ear
There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The external ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion of the ear), the external acoustic meatus (the outside opening to the ear canal), and the external ear canal that leads to the ear drum. In sum, there is the pinna, the meatus and the canal. And the external ear has only to concentrate air vibrations on the ear drum and make the drum vibrate. The external ear is also called the outer ear.
External fixation
A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External fixation is as opposed to internal fixation in which the ends of the fractured bone are joined by mechanical devices such as metal plates, pins, rods, wires or screws.
External jugular vein
The more superficial of the two jugular veins situated on each side of the neck. The other is the internal jugular vein. They drain blood from the head, brain, face and neck and convey it toward the heart.
External radiation therapy
Radiation therapy using a machine located outside the body to aim high-energy rays at a tumor.
Extracolonic
Extracorporeal
Outside the body, in the anatomic sense. As in extracorporeal circulation, extracorporeal dialysis, and extracorporeal shock wave lithotripsy.
Extracorporeal membrane oxygenation
(ECMO) A life support system that circulates the blood through an oxygenating system. ECMO is like a heart-lung machine that takes over the work of the heart and lungs during open heart surgery. ECMO may be used, for example, to treat ARDS (acute respiratory distress syndrome), lethal smoke inhalation injury, or irreversible heart failure. As a general rule, ECMO is only used for limited time because of the high risks of bleeding, clotting, infection and organ failure.
Extracorporeal shock wave lithotripsy
A technique for shattering stones such as kidney stones or gallstones with a shock wave produced outside the body.
Extracranial
Outside the cranium, the bony dome that houses and protects the brain. As opposed to intracranial, inside the cranium.
Extracranial hematoma
A hematoma (a collection of blood) outside the cranium (skull).
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