root

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Related to dorsal root: ventral root
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ROOT. That part of a tree or plant under ground from which it draws most of its nourishment from the earth.
     2. When the roots of a tree planted in one man's land extend into that of another, this circumstance does not give the latter any right to the tree, though such is the doctrine of the civil law; Dig. 41, 1, 7, 13; but such person has a right to cut off the roots up to his line. Rolle's R. 394, vide Tree.
     3. In a figurative sense, the term root is used to signify the person from whom one or more others are descended. Vide Descent; Per stirpes.

References in periodicals archive ?
Conduction velocity is related to morphological cell type in rat dorsal root ganglion neurons.
05) in sciatic nerve, spinal cord, DRG, dorsal root and ventral root when compared to control rats indicating an increase in lipid peroxidation and protein oxidation.
The effects of pulsed radiofrequency fields applied to the dorsal root ganglion--a preliminary report.
Spinal Modulation was founded in 2006 based on spinal cord stimulation targeting the dorsal root ganglion and has treated over 150 patients worldwide.
Sympathetic sprouting in the dorsal root ganglia of the injured peripheral nerve in a rat neuropathic pain model.
The amendments follow on a risk assessment conducted by Health Canada, which identified as specified risk materials the brain, skull, eyes, tonsils, vertebral column, spinal cord, and all dorsal root ganglia from cattle over 30 months of age, and small intestines for cattle of all ages, the agency said in a regulatory impact analysis statement published with the finalized amendments August 13, 2003.
3] Numerous ganglia are affected, more often the trigeminal cranial ganglia at the skull base but also multiple dorsal root ganglia adjacent to the spinal cord.
The Spinal Modulation System utilizes low-level electrical signals to modulate neural structures of primary sensory neurons located within the dorsal root ganglion (DRG).
MRGE has been linked to pain, and MRGF, which like MRGE is expressed in dorsal root ganglia, is also likely associated with pain.
The researchers also determined that R-profens selectively block endocannabinoid metabolism in isolated dorsal root ganglia (neurons and glial cells from the spinal column).
Furthermore, as the cyst expands locally, it may compress parasympathetic fibers to the bladder, bowel, or sexual organs, or selectively compromise a single dorsal root.
The researchers reasoned that a good way to home in on the organ's molecular heat detectors would be to compare the trigeminal ganglia with the dorsal root ganglia.