autonomic efferent fibers
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visceral efferent fibers — autonomic efferent f s; see neurofibrae autonomicae … Medical dictionary
General somatic efferent fibers — Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6,7. Sympathetic afferent. Gray s … Wikipedia
Efferent nerve fiber — Nerve: Efferent nerve fiber Latin neurofibrae efferentes Code TH H2.00.06.1.00016 In the nervous system, efferent nerves, otherwise known as motor or effector neurons, carry nerve impulses away from the central nervous system to eff … Wikipedia
Autonomic nervous system — Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic nervous system regulates key functions of the body including the activity of the heart muscle (see below), the smooth muscles (e.g., the… … Medical dictionary
C fibers — unmyelinated nerve fibers, having a smaller diameter (0.3 to 1.3 μm) and a slower conduction velocity (0.6 to 2.3 meters per second) than alpha fibers. They are found as postganglionic (efferent) fibers of the autonomic nervous system, and… … Medical dictionary
B fibers — myelinated preganglionic autonomic axons having a fiber diameter ≤3 μm and a conduction velocity of 3 to 15 meters per second; these include only efferent fibers … Medical dictionary
Projection fibers — Brain: Projection fibers Latin Fibrae projectionis Gray s subject #189 843 NeuroNames ancil 219 Code TA A14.1.00.018 … Wikipedia
neurofibrae autonomicae — [TA] autonomic nerve fibers: nerve fibers that innervate smooth muscle, cardiac muscle, and glandular epithelium. They either stimulate and activate the muscle or tissue (autonomic efferent fibers) or receive sensory impulses from them (autonomic … Medical dictionary
plexus — A network or interjoining of nerves and blood vessel s or of lymphatic vessels. [L. a braid] abdominal aortic (nervous) p. [TA] an autonomic p. surrounding the abdominal aorta, directly continuous with the thoracic aortic p. superiorly and … Medical dictionary
Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated … Medical dictionary
