General Library

A nerve cell that conducts action potentials away from the central nervous system and innervates effector organs (muscle and glands); it forms the ventral roots of the spinal nerves; also called an efferent neuron or motoneuron.

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action potential ; central nervous system (CNS) ; efferent ; innervation ; motoneuron ; nerve ; nerve root ; ventral

Composed of the motor neuron → axon → muscle fibers. 

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A group of congenital muscle diseases in which muscle fibers are unusually susceptible to damage and become progressively weaker.  The most common types of muscular dystrophies are due to a genetic deficiency of the muscle protein dystrophin.

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Muscle pain.

An autoimmune disease that affects the neuromuscular junction, interrupting the communication between nerve and muscle, thereby causing muscle weakness.

Portion of the brain composed of the medulla oblongata.

►click here to learn more (press>sagittal view)-link provided by: University of Pennsylvania, School of Veterinary Medicine 
►click here to learn more link provided by: University of Minnesota, College of Veterinary Medicine 
►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine 
►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine 
►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine 

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The lipid substance coating the axons of certain neurons; formed by neuroglial cells: oligodendrocytes and Schwann cells; enables action potentials to travel faster while using less energy.

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action potential ; axon ; neuralgia ; neuron ; oligodendrocytes ; Schwann cell

Inflammation of the spinal cord.

Diagnostic procedure in which contrast material is injected into the spinal subarachnoid space allowing visualization of the spinal cord and nerve roots.  

Any disease affecting the spinal cord.