nerve root

(redirected from Nerve roots)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to Nerve roots: Spinal nerves, dermatomes

nerve root

one of two bundles of nerve fibers (posterior and anterior roots) emerging from the spinal cord that join to form a single segmental (mixed) spinal nerve; some cranial nerves are similarly formed by the union of two roots, in particular the trigeminal nerve (CN V).

nerve root

the part of a nerve adjacent to the center to which it is connected.
A herb that contains glycosides, resins, tannins, and volatile oil. It is said to have antispasmodic and sedative effects
Toxicity Contact dermatitis, giddiness, hallucinations, headaches

nerve root

the points at which a spinal nerve arises from the spinal cord. Each has two roots: a DORSAL ROOT and a VENTRAL ROOT.

nerve root

(nĕrv rūt)
One of two bundles of nerve fibers emerging from the spinal cord that join to form a single segmental (mixed) spinal nerve.
References in periodicals archive ?
Russia and Israel) connected intercostal nerves above the injury site to nerve roots below the injury site in 11 patients with complete L1-injuries (Spinal Cord 42[4], 2004).
When the Band-Aid is removed and the pressure alleviated from the spinal cord or the nerve roots, things begin to work again.
17 So the study concluded the supine position as a better one because there is more increase in intervertebral space to alleviate compression on trapped nerve roots as compared to sitting position cervical traction.
Since the first contralateral C7 (CC7) nerve root transfer was performed in Shanghai Huashan Hospital in 1986 by Dr.
Foraminal stenosis typically causes pain in just one leg because it affects just one nerve root.
The nerve roots of the cauda equina may also show crowding and redundancy above the site of narrowing (Figure 17).
Furthermore, placing the stimulating coils tangentially over the spine or over the latero-posterior-inferior aspect of the head would excite the nerve roots or cranial nerves at fixed points in or near their exiting foramina, eliciting muscle responses with stable latencies.
Prefixed brachial plexus anomalies were also fairly common in patients presenting with symptoms attributable to the higher nerve roots, or in patients whose symptoms were not distinctively attributable to specific nerve roots within the brachial plexus.
Monitoring F-wave and H-reflexes intraoperatively provides a means of assessing complex spinal cord function and activity in ascending, descending, and spinal interneurons, and the dorsal and ventral nerve roots.
The spread of active inflammation from the dorsal root ganglion to the anterior horn cells and anterior nerve roots and involvement of the motor nerve are postulated to be involved.
Spinal stenosis is characterized by the narrowing of the canal of the spinal cord and of the base of the nerve roots, and at the areas where the nerve roots emit the spine to innervate the tissues.
SELECTIVE dorsal rhizotomy is very complex surgery that involves cutting the dorsal nerve roots to reduce muscle spasms in the lower limbs.