dorsal horn


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Noun1.dorsal horn - one of the two roots of a spinal nerve that passes dorsally to the spinal cord and that consists of sensory fibers
afferent, afferent nerve, sensory nerve - a nerve that passes impulses from receptors toward or to the central nervous system
nervus spinalis, spinal nerve - any of the 31 pairs of nerves emerging from each side of the spinal cord (each attached to the cord by two roots: ventral and dorsal)
References in periodicals archive ?
Both visceral afferents from the gut and somatic nerves have cell bodies in the dorsal root ganglia and enter the dorsal horn of the spinal cord [15].
34) The H-reflex is produced when action potentials that travel proximally along sensory fibers enter the dorsal horn of the spinal cord and stimulate the monosynaptic reflex arc (Fig.
We have recently shown that neonatal hypersensitivity to touch is due to the late maturation of glycinergic inhibitory signalling and that this signalling, in turn, requires nociceptive activity in the dorsal horn at a critical postnatal period.
Nociceptor stimulation triggers action potentials in sensory nerve fibres that transmit impulses to the dorsal horn of the spinal cord.
Distinct antinociceptive actions mediated by different opioid receptors in the region of lamina I and laminae III-V of the dorsal horn of the rat.
Correlation between spinal neuron counts and axial muscle histologic changes in 15 SBV-infected newborn calves, Belgium, January-March 2012 * Structure examined Control WBD/calf ID calves WBD-0 WBD-1 A B C D E F Axial muscles, histology Musculus semispinalis 0 NT 0 0 0 3 0 capitis, cas Musculus semispinalis 0 NT 1 0 0 2 0 capitis, ces Spinal cord Dorsal horn neurons, no.
The response properties of the dorsal horn and brain stem neurons change due to continuous nociceptive input (12), altering the normal processing of nociceptive and non-nociceptive information.
Intraperitoneal administration of OMT decreased the mean IOD of NR2B in the dorsal horn and expression of NR2B, p-ERK and p-CREB protein.
This analgesic effect is mediated by cannabinoid receptors within several nervous system areas: peri-aqueductal gray matter, medulla, thalamus, and the dorsal horn of the spinal cord.
The team then looked at the dorsal horn, the point in the spine where sensory signals are sent to the brain, to find cells that allowed the Nppb molecule to be received.
They are present in the insula, amygdala, hypothalamus, hippocampus, rostral ventromedial medulla and spinal dorsal horn.
The cells were distributed mainly in the dorsal horn.