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External urethral sphincter muscle
External urethral sphincter muscle A voluntary and involuntary ring-like band of muscle fibers that you voluntarily contract when you want to stop urinating.
RELATED TERMS--------------------------------------
Muscle
Tissue made up of bundles of long, slender cells that contract when stimulated.
Contract
A written, dated, and signed agreement between two or more involved parties that sets out any arrangements on delegation and distribution of tasks and obligations and, if appropriate, on financial matters. The protocol may serve as the basis of a contract.
SIMILAR TERMS--------------------------------------
Extended family
The family group consisting not only the nuclear family (the parents and their children) but also embracing the grandparents, aunts, uncles, cousins, and sometimes more distant relatives.
Extended phenytoin sodium
Extended phenytoin sodium 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): phenytoin sodium.
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.
Extensor muscle
Any muscle that causes the straightening of a limb or other part.
External cephalic version
A procedure in which a doctor, using ultrasound images as a guide, attempts to massage a baby out of breech position (feet down) and into a head-down position for delivery.
External consistency
The consistency of a procedure (for example, a rating scale or laboratory test) between sets of data.
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.
Exteroceptive
Pertaining to a sensory organ that registers information from outside the body.
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Esophagogastroduodenoscopy (EGD)
Exam of the upper digestive tract using an endoscope. See endoscopy.
Esophagus
The organ that connects the mouth to the stomach. Also called gullet.
Estrogen replacement therapy (ERT)
Use of the female hormone estrogen to replace that which the body no longer produces naturally after medical or surgical menopause.
Excrete
To get rid of waste from the body.
Expectant management or therapy
"Watchful waiting" or close monitoring of prostate cancer by a physician instead of immediate treatment.
External urethral sphincter muscle
Extrinsic asthma
Asthma that is triggered by an allergic reaction, usually to something that is inhaled.
Extracorporeal shock wave lithotripsy (ESWL)
A method of breaking up bile stones and gallstones. Uses a specialized tool and shock waves.
Egg
The mature female reproductive cell.
Embryo splitting
Separation of an early-stage embryo into two or more embryos with identical genetic makeup, essentially creating identical twins or higher multiples (triplets, quadruplets, etc.).
Embryoid bodies (EBs)
Irregularly shaped clumps of cellular structures that arise when embryonic stem cells or embryonic germ cells are cultured. Embryoid bodies usually contain tissue from all three of the germ layers: endoderm, mesoderm, and ectoderm. Embryoid bodies are not part of normal development and occur only in vitro.
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