- gamma motoneurons
- neurons of the anterior spinal cord that give rise to the gamma (fusimotor) fibers which innervate intrafusal fibers of the muscle spindle. Cf. anterior horn cell and gamma loop.
Medical dictionary. 2011.
gamma motoneurons
Look at other dictionaries:
Gamma motoneuron — Neuron: Gamma motorneuron A muscle spindle, with γ motor and Ia sensory fibers NeuroLex ID … Wikipedia
gamma loop — a three part reflex arc consisting of gamma motoneurons that send impulses along the gamma fibers to the intrafusal fibers, causing the muscle spindle to contract; that in turn excites afferent impulses, which pass through the posterior root to… … Medical dictionary
fusimotor neurons — gamma motoneurons … Medical dictionary
anterior horn cells — motoneurons whose cell bodies are in the anterior horn of the spinal cord; see alpha motoneurons and gamma motoneurons, under motoneuron … Medical dictionary
Muscle spindle — Latin fusus neuromuscularis Code TH H3.11.06.0.00018 Muscle spindles are sensory receptors within the belly of a muscle, which primarily detect changes in the length of this muscle. They convey length information to the central nervous system via … Wikipedia
Motor neuron — Neuron: Motor neuron Micrograph of the hypoglossal nucleus showing motor neurons with their c … Wikipedia
Stretch reflex — The stretch reflex (myotatic reflex) is a muscle contraction in response to stretching within the muscle. It is a monosynaptic reflex which provides automatic regulation of skeletal muscle length. When a muscle lengthens, the muscle spindle is… … Wikipedia
fusimotor — Pertaining to the efferent innervation of intrafusal muscle fibers by gamma motor neurons. SEE ALSO: neuromuscular spindle. [L. fusus, spindle, + moveo, to move] * * * fu·si·mo·tor (fu″sĭ moґtər) [fus + motor] innervating… … Medical dictionary
List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… … Wikipedia
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … Medical dictionary
