Definition of Spinal accessory nerves. Meaning of Spinal accessory nerves. Synonyms of Spinal accessory nerves

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Definition of Spinal accessory nerves

Spinal accessory nerves
Spinal Spi"nal, a. [L. spinalis, fr. spina the spine: cf. F. spinal. See Spine.] 1. (Anat.) Of, pertaining to, or in the region of, the backbone, or vertebral column; rachidian; vertebral. 2. Of or pertaining to a spine or spines. Spinal accessory nerves, the eleventh pair of cranial nerves in the higher vertebrates. They originate from the spinal cord and pass forward into the skull, from which they emerge in company with the pneumogastrics. Spinal column, the backbone, or connected series or vertebr[ae] which forms the axis of the vertebrate skeleton; the spine; rachis; vertebral column. Spinal cord, the great nervous cord extending backward from the brain along the dorsal side of the spinal column of a vertebrate animal, and usually terminating in a threadlike appendage called the filum terminale; the spinal, or vertebral, marrow; the myelon. The nervous tissue consists of nerve fibers and nerve cells, the latter being confined to the so-called gray matter of the central portions of the cord, while the peripheral white matter is composed of nerve fibers only. The center of the cord is traversed by a slender canal connecting with the ventricles of the brain.

Meaning of Spinal accessory nerves from wikipedia

- nerves in having neurons in the spinal cord. After leaving the skull, the cranial component detaches from the spinal component. The spinal accessory nerve...
- accessory nerve (XI) being an integral part of the vagus nerve (X); the hypoglossal nerve (XII) is represented by a variable number of spinal nerves emerging...
- The spinal root of accessory nerve (or part) is firm in texture, and its fibers arise from the motor cells in the lateral part of the anterior column of...
- The spinal accessory nucleus lies within the cervical spinal cord (C1-C5) in the posterolateral aspect of the anterior horn. The nucleus ambiguus is classically...
- rootlets of the accessory and vagus nerves. Wiles CC, Wrigley B, Greene JR. Clin Anat. 2007 20:19-22. Cranial roots of the accessory nerve exist in the...
- vagus nerve The accessory nerve The hypoglossal nerve The spinal nerves The posterior divisions The anterior divisions The thoracic nerves The lumbosacral...
- Accessory nerve disorder is an injury to the spinal accessory nerve which results in diminished or absent function of the sternocleidomastoid muscle and...
- diminished Dedicated cardiac branches of the vagus and thoracic spinal accessory nerves impart parasympathetic control of the heart (myocardium) Constriction...
- the vagus nerve and is shared by the thoracic ganglia. Vagal and spinal ganglionic nerves mediate the lowering of the heart rate. The right vagus branch...
- (sensory) roots combine to form spinal nerves (mixed; motor and sensory), one on each side of the spinal cord. Spinal nerves, with the exception of C1 and...