Category: M
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Motor pathway
A series of motor neurones leading from the motor cortex to a muscle. A pathway over which motor impulses are carried from the central nervous system to muscles or glands.
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Motor neurone disease
A disease of the nerve cells which control the movement of the muscles. Motor neuron disease is a term used to refer to a group of diseases, all of which are characterized by degeneration of motor neurons. Motor neurons are nerve cells that control the behavior of muscles. Motor neuron disease may affect motor neurons…
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Motor end plate
The end of a motor nerve where it joins muscle fibre. Band of terminal fibers of a motor nerve that merges with the fibers of a voluntary muscle, allowing the impulse to be transmitted from the nerve to the muscle.
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Motor disorder
Impairment of the nerves or neurons that cause muscles to contract to produce movement. Alternate name for a type of communication disorder.
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Motor
Referring to movement, which produces movement. A term used to describe anything that brings about movement, such as a muscle or nerve. The word “motor” is commonly applied to nerves that carry impulses from the central nervous system to a muscle, producing movement. A term usually applied to nerves, used to describe anything that results…
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Motionless
Not moving.
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Mother-fixation
A condition in which a person’s development has been stopped at a stage where he or she remains like a child, dependent on his or her mother.
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Mother
A biological or adoptive female parent. The woman who has parents’ rights and parents’ responsibilities toward a child, especially a minor. The woman whose genetic inheritance contributed directly to the child and who is one of the child’s nearest blood relatives is the child’s biological mother, also called natural mother or birth mother. With some…
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Mosquito
An insect which sucks human blood, some species of which can pass viruses or parasites into the bloodstream. A small winged bloodsucking insect belonging to a large group, the Diptera (two-winged flies). Its mouthparts are formed into a long proboscis for piercing the skin and sucking blood. Female mosquitoes transmit the parasites responsible for several…
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Mortuary
A room in a hospital where dead bodies are kept until removed by an undertaker for burial. Temporary place for keeping dead bodies before burial.