Medical Definition of Nucleus paraventricularis

1. A triangular group of large magnocellular neurons in the periventricular zone of the anterior half of the hypothalamus. The cells of the nucleus are similar to those of the supraoptic nucleus; the axons of about 20% of their number join in the formation of the supraopticohypophysial tract and are functionally associated with the posterior lobe of the hypophysis; they project fibres to the brainstem nuclei (dorsal motor nucleus and solitary nucleus) and to the intermediolateral cell column of the spinal cord at thoracic, lumbar, and spinal levels; similar descending autonomic fibres arise from the lateral and posterior hypothalamic nuclei. Synonym: nucleus paraventricularis, filiform nucleus, nucleus filiformis. (05 Mar 2000)



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Lexicographical Neighbors of Nucleus Paraventricularis

nucleus of cuneate fasciculus
nucleus of hypoglossal nerve
nucleus of inferior colliculus
nucleus of lateral geniculate body
nucleus of lateral lemniscus
nucleus of lens
nucleus of medial geniculate body
nucleus of oculomotor nerve
nucleus of solitary tract
nucleus of the mamillary body
nucleus of trochlear nerve
nucleus olivaris
nucleus olivaris accessorius dorsalis
nucleus olivaris accessorius medialis
nucleus paracentralis thalami
nucleus paraventricularis (current term)
nucleus posterior hypothalami
nucleus preopticus lateralis
nucleus preopticus medialis
nucleus pulposus
nucleus pyramidalis
nucleus reticularis thalami
nucleus ruber
nucleus salivatorius inferior
nucleus salivatorius superior
nucleus sensorius principalis nervi trigemini
nucleus sensorius superior nervi trigemini
nucleus spinalis nervi accessorii
nucleus subthalamicus
nucleus suprachiasmatica

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