A set or sets of the same things or duplicates: When a person, or an animal, has multiple body parts, then he or she has an abnormal number of anatomical elements; as shown in the image below.

1. Involving or including several things, people, or parts: There are multiple parts that belong in a car if it is to function properly.

Life is full of multiple experiences, situations, and choices; both good and bad.

2. Existing concurrently in several parts of the body: Multiple myeloma is a malignant neoplasm of plasma cells in that they proliferate and invade the bone marrow which causes destruction of the bone and usually results in a pathological fracture and considerable pain of the bones. © ALL rights are reserved.

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Methods of increasing the amount of data that can be transmitted wirelessly within the same frequency spectrum.

Some RFID readers use Time Division Multiple Access, or TDMA, meaning they read tags at different times to avoid interfering with one another.

Congenital malformations that present slowly growing masses of abnormal tissues in multiple areas of the body: The multiple hamartomas are appropriate to the organ in which they are located, but they are not normally organized.

The multiple hamartomas may appear in blood vessels, and in the lung and kidney.

Multiple hamartomas are not malignant, but they cause symptoms of an illness because of the spaces they occupy.

1. A malignant tumor of the bone marrow occurring at numerous places in the body.
2. A cancer that begins in plasma cells.

Plasma cells are white blood cells which make antibodies. Antibodies are part of the immune system. They work with other parts of the immune system to help protect the body from germs and other harmful substances. Each type of plasma cell makes a different antibody.

Myeloma, like other cancers, begins in cells. Normally, cells grow and divide to form new cells as the body needs them.

When cells grow old, they die, and new cells take their place. In cancer, this orderly process goes wrong. New cells form when the body does not need them, and old cells do not die when they should. These extra cells can form a mass of tissue called a growth or tumor.

Myeloma begins when a plasma cell becomes abnormal and that abnormal cell divides to make copies of itself. The new cells divide again and again, making more and more abnormal cells. The abnormal plasma cells are myeloma cells.

In time, myeloma cells collect in the bone marrow where they may crowd out normal blood cells. Myeloma cells also collect in the solid part of the bone.

The disease is called multiple myeloma because it affects many bones. If myeloma cells collect in only one bone, the single mass is called a plasmacytoma or cancer of the plasma cells (white blood cells that produce antibodies).

As myeloma cells increase in number, they damage and weaken the bones, causing pain and often fractures. When bones are damaged, too much calcium is released into the blood, leading to loss of appetite, nausea, thirst, fatigue, muscle weakness, restlessness, and confusion.

Chemotherapy and bone marrow transplant are currently the primary treatments.

A rare dissociative disorder in which an individual develops two or more separate and distinct personalities; each personality is independent of the other(s) and dominant at different times, and the original personality often has no knowledge of the others or any memory of their experiences.

1. An electrode with many contacts for recording from many sources, as from different depths in the brain.
2. Several sets of terminals providing for the use of several electrodes.

1. The hardening and thickening of body tissue occurring in patches in the brain or spinal cord, or both: Multiple sclerosis can cause symptoms ranging from numbness and tingling, to paralysis and incontinence. It is also characterized by tremors, failure of coordination, and various nervous and mental symptoms.
2. A chronic illness caused by lesions in the white matter of the central nervous system that degenerate the myelin sheath (insulating layer surrounding vertebrate peripheral neurons), marked by a lack of muscle coordination, muscle weakness, speech problems, and abnormal neurological sensations which include: numbness, tingling, burning, prickling, and hyperesthesia (increased sensitivity), and visual impairments.

The cause of multiple sclerosis is unknown, but it is believed to be an autoimmune disorder, in which the body's immune system mistakenly attacks its own tissues as if they were foreign or not supposed to be there.

The symptoms of multiple scleroses vary, depending on which nerves of the brain and spinal cord lose their protective covers.

The connecting of two or more series of circuits in parallel.

A gravitationally bound group of two or more stars that orbit a common center of mass.

In radar countermeasures, a device that produces multiple false targets on enemy radar.

An effect in which the boundary of the troposphere and stratosphere appears as several overlapping discontinuities instead of as a single one.

1. A condition in which more than one image of an object is formed, or seen, on the retina.
2. A visual perception of several images of a single object.
3. Having multiple vision; the seeing of one object as more than one.

A well equipped to produce oil or gas separately from more than one reservoir.

A space vehicle possessing two or more rocket units, with each successive unit firing after the stage behind it has reached burnout; at which point the latter is usually jettisoned.

A method of solving the problem of the signals of two readers colliding.

Algorithms are used to make sure the readers attempt to read tags at different times.