Special visceral afferent fibers (SVA) are afferent fibers that develop in association with the gastrointestinal tract.[1] They carry the special sense of taste (gustation). The cranial nerves containing SVA fibers are the facial nerve (VII), the glossopharyngeal nerve (IX), and the vagus nerve (X).[2] The facial nerve receives taste from the anterior 2/3 of the tongue; the glossopharyngeal from the posterior 1/3, and the vagus nerve from the epiglottis.[3] The sensory processes, using their primary cell bodies from the inferior ganglion, send projections to the medulla, from which they travel in the tractus solitarius, later terminating at the rostral nucleus solitarius.[4]
^cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University)
^Standring, Susan, ed. (2016). "Overview of the nervous system". Gray's Anatomy: The Anatomical Basis of Clinical Practice (41 ed.). Elsevier. p. 232. ISBN 978-0-7020-5230-9.
^Drake et al. (2010), Gray's Anatomy for Students, 2nd Ed., Churchill Livingstone.
^Bhatnagar C. Subhash. Neuroscience for the study of communicative disorders. Philadelphia, Pennsylvania. Lippincott Williams & Wilkins, 2002
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somatic afferentfibers. Nerve fibers for taste are supplied by the chorda tympani branch of the facial nerve via specialvisceralafferentfibers. The main...
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information from special senses is carried in special somatic afferents and specialvisceralafferents. In contrast, the other sense, touch, is a somatic...
nucleus and its specialvisceralafferent (SVA) column; the cochlear and vestibular nuclei, which form the special somatic afferent (SSA) fibers of the vestibulocochlear...
pharynx (GVA), and the posterior one-third of the tongue. Visceralafferent (specialvisceralafferent) – provides taste sensation from the posterior one-third...
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transmit information from the body to the CNS are called sensory nerves (afferent). The PNS is divided into two separate subsystems, the somatic and autonomic...
also contain blood vessels. The terminal nerve (0), is a thin network of fibers associated with the dura and lamina terminalis running rostral to the olfactory...
voluntary movements of the skeletal muscles, and can be sub-divided into afferent and efferent neuronal flow. The autonomic nervous system is divided primarily...
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divide nerve-fibers, which form the nerves, into two classes, afferent and efferent. Impressions are made on the peripheral afferentfiber-endings; these...
zygomatic are maxillary nerves (from the trigeminal nerve). The specialvisceralafferents of the vagus nerve carry taste from the epiglottal region of the...
its efferent targets in the nucleus accumbens and its local GABAergic afferents. The reward-relevant actions of amphetamine and cocaine are in the dopaminergic...
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