Oral pontine reticular nucleus
Template:Short description Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters".Script error: No such module "Check for unknown parameters". The oral pontine reticular nucleus, or rostral pontine reticular nucleus is one of the two components of the medial (efferent/motor) zone of the pontine reticular formation - the other being the caudal pontine reticular nucleus. The efferents of these two structures together give rise to the medial (pontine) reticulospinal tract (which modulates the muscle tone of the trunk and limb musculature). A population of their neurons together also form the paramedian pontine reticular formation which is involved in the coordination of horizontal conjugate eye movements in response to head movements.[1]
Anatomy
This nucleus tapers rostrally to transition into the caudal mesencephalic reticular formation. It contains sporadic giant neurons.Script error: No such module "Unsubst".
Afferents
It receives sensory and motor cortical afferents via corticoreticular fibers.[1]
Research
Different populations of the pontis oralis have displayed discharge patterns which coordinate with phasic movements to and from paradoxical sleep. It is thus apparently involved in the mediation of changing to and from REM sleep.[2]
References
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