• Thumbnail for Dorsal root of spinal nerve
    The dorsal root of spinal nerve (or posterior root of spinal nerve or sensory root) is one of two "roots" which emerge from the spinal cord. It emerges...
    4 KB (351 words) - 15:59, 22 February 2024
  • Thumbnail for Dorsal ramus of spinal nerve
    dorsal ramus of spinal nerve, posterior ramus of spinal nerve, or posterior primary division is the posterior division of a spinal nerve. The dorsal rami...
    4 KB (425 words) - 15:45, 15 February 2024
  • Root of spinal nerve may refer to: Dorsal root of spinal nerve Ventral root of spinal nerve This disambiguation page lists articles associated with the...
    124 bytes (51 words) - 19:51, 10 April 2016
  • Thumbnail for Dorsal root ganglion
    dorsal root ganglion (or spinal ganglion; also known as a posterior root ganglion) is a cluster of neurons (a ganglion) in a dorsal root of a spinal nerve...
    9 KB (1,019 words) - 15:07, 2 May 2024
  • Thumbnail for Spinal nerve
    brain. The ventral root is the efferent motor root and carries motor information from the brain. The spinal nerve emerges from the spinal column through an...
    15 KB (1,827 words) - 04:42, 26 April 2024
  • Thumbnail for Ventral root of spinal nerve
    ventral root joins with the dorsal root to form a mixed spinal nerve. Cervical vertebra Medulla spinalis A spinal nerve with its anterior and posterior...
    2 KB (161 words) - 13:29, 27 February 2022
  • Thumbnail for Dorsal column–medial lemniscus pathway
    The name dorsal-column medial lemniscus comes from the two structures that carry the sensory information: the dorsal columns of the spinal cord, and...
    14 KB (1,739 words) - 19:07, 18 May 2024
  • Thumbnail for Cervical spinal nerve 1
    The cervical spinal nerve 1 (C1) is a spinal nerve of the cervical segment. C1 carries predominantly motor fibres, but also a small meningeal branch that...
    2 KB (157 words) - 22:07, 15 May 2024
  • Thumbnail for Dermatome (anatomy)
    A dermatome is an area of skin that is mainly supplied by afferent nerve fibres from the dorsal root of any given spinal nerve. There are 8 cervical nerves...
    10 KB (1,009 words) - 15:37, 3 January 2024
  • Thumbnail for Spinal cord
    spinal cord and then enters the dorsal column. Here the dorsal column connects to the axon of the nerve cell. If the primary axon enters below spinal...
    41 KB (4,971 words) - 14:26, 2 May 2024
  • Each spinal nerve is a mixed nerve formed by the union of a sensory dorsal root and a motor ventral root, meaning that there are 62 dorsal/ventral root pairs...
    8 KB (1,129 words) - 18:04, 7 April 2024
  • Thumbnail for Trigeminal nerve
    containing the cell bodies of incoming sensory-nerve fibers. The trigeminal ganglion is analogous to the dorsal root ganglia of the spinal cord, which contain...
    34 KB (4,141 words) - 07:26, 4 April 2024
  • is a neurosurgical procedure that selectively cuts problematic nerve roots in the spinal cord. This procedure has been well-established in the literature...
    25 KB (3,489 words) - 17:17, 30 May 2024
  • Thumbnail for Dorsal scapular nerve
    The dorsal scapular nerve is a branch of the brachial plexus, usually derived from the ventral ramus of cervical nerve C5. It provides motor innervation...
    6 KB (622 words) - 15:54, 8 May 2024
  • Thumbnail for Type Ia sensory fiber
    through the dorsal root of spinal nerve bifurcating into ascending and descending branches, which in turn send branches to multiple spinal segments. Some...
    5 KB (571 words) - 21:39, 5 June 2024
  • Thumbnail for Brachial plexus
    indicates primary spinal root component of nerve. Italics indicate spinal roots that frequently, but not always, contribute to the nerve. The brachial plexus...
    25 KB (2,318 words) - 03:53, 18 May 2024
  • Thumbnail for Dorsal column nuclei
    Both dorsal column nuclei contain synapses from afferent nerve fibers that have travelled in the spinal cord. They then send on second-order neurons of the...
    7 KB (742 words) - 19:54, 8 June 2023
  • Thumbnail for Sciatica
    various parts of the affected leg and foot. About 90% of sciatica is due to a spinal disc herniation pressing on one of the lumbar or sacral nerve roots. Spondylolisthesis...
    46 KB (5,039 words) - 02:55, 11 May 2024
  • Thumbnail for Root of penis
    into the dorsal aspect of the shaft forming the two corpora cavernosa that are separated by the septum of the penis. During arousal, the root and the corpora...
    7 KB (717 words) - 03:37, 27 April 2024
  • Thumbnail for Afferent nerve fiber
    dorsal root known as the dorsal root ganglion. All of the axons in the dorsal root, which contains afferent nerve fibers, are used in the transduction of somatosensory...
    8 KB (690 words) - 21:25, 13 February 2024
  • Thumbnail for Pudendal nerve
    pudendal nerve proper just proximal to the sacrospinous ligament. The three roots are derived from the ventral rami of the 2nd, 3rd, and 4th sacral spinal nerves...
    21 KB (2,280 words) - 19:51, 10 June 2024
  • Thumbnail for Pathophysiology of nerve entrapment
    cell body resides in the spinal cord and the axon extends all the way to the innervation target of the nerve. Peripheral nerve axons can be longer than...
    33 KB (4,337 words) - 03:54, 18 April 2024
  • thickly myelinated group A nerve fibers. Their conduction velocities are moderate. Their cell bodies are located in the dorsal root ganglia and axons are sent...
    8 KB (751 words) - 20:45, 8 May 2024
  • Thumbnail for Spinocerebellar tract
    The spinocerebellar tract is a nerve tract originating in the spinal cord and terminating in the same side (ipsilateral) of the cerebellum. Proprioceptive...
    13 KB (1,434 words) - 15:06, 4 March 2024
  • Thumbnail for Tetraplegia
    Tetraplegia (redirect from Spinal paralysis)
    imperative to have a broad knowledge of the cervical spinal roots and its many functions. In the cervical spine, nerve roots exit the spine above the associated...
    30 KB (3,198 words) - 17:35, 23 May 2024
  • Thumbnail for Tarlov cyst
    their nerve-fiber-filled walls. Tarlov cysts are defined as cysts formed within the nerve-root sheath at the dorsal root ganglion. The etiology of these...
    28 KB (3,553 words) - 03:16, 15 December 2023
  • Thumbnail for Radial nerve
    the posterior roots of spinal nerves C5, C6, C7, C8 and T1. The radial nerve and its branches provide motor innervation to the dorsal arm muscles (the triceps...
    16 KB (1,919 words) - 10:07, 1 June 2024
  • Thumbnail for Pseudounipolar neuron
    distal dorsal root into the spinal nerve all the way until skin, joint, and muscle. Pseudounipolar neurons are found in the sensory ganglia of most cranial...
    5 KB (526 words) - 02:26, 10 June 2024
  • Thumbnail for Spinal disc herniation
    in severe pain even in the absence of nerve root compression. Disc herniation is normally a further development of a previously existing disc protrusion...
    55 KB (6,568 words) - 15:19, 14 April 2024
  • Thumbnail for Ganglion
    groups of ganglia: Dorsal root ganglia (also known as the spinal ganglia) contain the cell bodies of sensory (afferent) neurons. Cranial nerve ganglia...
    4 KB (395 words) - 18:19, 20 December 2023