Connection formed between neurons that allows neurotransmission
For circuits of neurons, see neural circuit.
Not to be confused with Neurotransmitter pathways.
A neural pathway connects one part of the nervous system to another using bundles of axons called tracts. The optic tract that extends from the optic nerve is an example of a neural pathway because it connects the eye to the brain; additional pathways within the brain connect to the visual cortex.
In neuroanatomy, a neural pathway is the connection formed by axons that project from neurons to make synapses onto neurons in another location, to enable neurotransmission (the sending of a signal from one region of the nervous system to another). Neurons are connected by a single axon, or by a bundle of axons known as a nerve tract, or fasciculus.[1] Shorter neural pathways are found within grey matter in the brain, whereas longer projections, made up of myelinated axons, constitute white matter.
In the hippocampus, there are neural pathways involved in its circuitry including the perforant pathway, that provides a connectional route from the entorhinal cortex[2] to all fields of the hippocampal formation, including the dentate gyrus, all CA fields (including CA1),[3] and the subiculum.
Descending motor pathways of the pyramidal tracts travel from the cerebral cortex to the brainstem or lower spinal cord.[4][5] Ascending sensory tracts in the dorsal column–medial lemniscus pathway (DCML) carry information from the periphery to the cortex of the brain.
^Moore, Keith; Dalley, Arthur (2005). Clinically Oriented Anatomy (5th ed.). LWW. p. 47. ISBN 0-7817-3639-0. A bundle of nerve fibers (axons) connecting neighboring or distant nuclei of the CNS is a tract.
^Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). "Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways". Hippocampus. 10 (4): 398–410. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K. PMID 10985279. S2CID 25432455.
^Vago, David R.; Kesner, Raymond P. (2008). "Disruption of the direct perforant path input to the CA1 subregion of the dorsal hippocampus interferes with spatial working memory and novelty detection". Behavioural Brain Research. 189 (2): 273–83. doi:10.1016/j.bbr.2008.01.002. PMC 2421012. PMID 18313770.
^Purves, Dale (2011). Neuroscience (5. ed.). Sunderland, Mass.: Sinauer. pp. 375–378. ISBN 9780878936953.
^Purves, Dale; Augustine, George J.; Fitzpatrick, David; Katz, Lawrence C.; LaMantia, Anthony-Samuel; McNamara, James O.; Williams, S. Mark (1 January 2001). Damage to Descending Motor Pathways: The Upper Motor Neuron Syndrome. Sinauer Associates.
In neuroanatomy, a neuralpathway is the connection formed by axons that project from neurons to make synapses onto neurons in another location, to enable...
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medial lemniscus pathway travels through and relays information to these areas, a lack of proper sensation indicates a problem with this neural sensory tract...
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cyclase-activating peptide neuropeptide signaling project the gland. The canonical neuralpathway regulating pineal melatonin production begins in the eye with the intrinsically...
be used to identify disorders within the neuralpathways. Because there are few areas in the neuralpathway where the sensation and perception of vibration...
tubercle. It is one of the component pathways of the medial forebrain bundle, which is a set of neuralpathways that mediate brain stimulation reward...
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neuralpathways through the central nervous system (CNS): Any upper motor neuron lesion, also known as pyramidal insufficiency, occurs in the neural pathway...
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sensory neurons in the cranial nerves, such as the trigeminal nerve. The neuralpathways that go to the brain are structured such that information about the...
nerve tract may also be referred to as a commissure, decussation, or neuralpathway. A commissure connects the two cerebral hemispheres at the same levels...
pathway, the mesocortical pathway, the nigrostriatal pathway, and the tuberoinfundibular pathway. The mesolimbic pathway and the mesocortical pathway...
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linear accelerations. The vestibular system sends signals primarily to the neural structures that control eye movement; these provide the anatomical basis...
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is the speed at which an electrochemical impulse propagates down a neuralpathway. Conduction velocities are affected by a wide array of factors, which...
vagus nerve (CN X) to the medulla of the brain. This is the afferent neuralpathway. Unlike other areas responsible for involuntary actions like swallowing...
brain via a diversity of neuralpathways, in particular from the lamina I of the spinal cord along the spinothalamic pathway and through the projections...
modeling viewpoint, neuralpathways mainly forward information without processing this information. A neuralpathway in comparison to a neural mapping need much...
owners test their own animals for the presence of the menace reflex. The neuralpathway of the menace reflex comprises the optic (II) and facial (VII) nerves...
the Lazarus sign is an example of a reflex mediated by a reflex arc—a neuralpathway which passes via the spinal column but not through the brain. As a consequence...
neurotransmitters in response to nerve impulses. Neurons connect to form neuralpathways, neural circuits, and elaborate network systems. The whole circuitry is...