The paraventricular nucleus (PVN or PVH) is a neuronal nucleus in the hypothalamus. It contains multiple subpopulations of neurons that are activated by a variety of stressful and/or physiological changes. Many PVN neurons project directly to the posterior pituitary where they release oxytocin or vasopressin into the general circulation.
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- Der Nucleus paraventricularis ist ein Kerngebiet im Hypothalamus, also im Zwischenhirn. Sein Name leitet sich von seiner Lage neben dem dritten Ventrikel ab. Die großen Nervenzellen dieses Kerngebiets produzieren das Hormon Oxytocin und in geringeren Mengen Antidiuretisches Hormon. Darüber hinaus enthält dieses Kerngebiet auch kleine Kerne, die das Releasing-Hormon CRH sezernieren, dieses wird allerdings an der Eminentia mediana in den primären hypophysären Pfortaderkreislauf (Primärplexus) abgegeben. Die Zellfortsätze des Nucleus paraventricularis bilden zusammen mit denen des Nucleus supraopticus den Tractus hypothalamohypophysialis. Über diese Nervenbahn werden das Oxytocin und ADH in die Neurohypophyse transportiert, wo es zwischengespeichert und bei Bedarf an das Blut abgegeben wird.
- The paraventricular nucleus (PVN or PVH) is a neuronal nucleus in the hypothalamus. It contains multiple subpopulations of neurons that are activated by a variety of stressful and/or physiological changes. Many PVN neurons project directly to the posterior pituitary where they release oxytocin or vasopressin into the general circulation. Other PVN neurons control various anterior pituitary functions, while still others directly regulate appetite and autonomic functions in the brainstem and spinal cord.
- 室傍核(しつぼうかく、Paraventricular hypothalamic nucleus)とは、間脳の視床下部を構成する神経核の1つである。
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- Paraventricular+hypothalamic+nucleus
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- A08.186.211.730.385.357.342.400
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- Magnocellular neurons of the PVN and SON project to the posterior "lobe" of the pituitary
- Human paraventricular nucleus in this coronal section is indicated by the shaded area. Dots represent vasopressin neurons . The medial surface is the 3rd ventricle .
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- nuclei paraventricularis hypothalami
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- Paraventricular+hypothalamic+nucleus
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- A08.186.211.730.385.357.342.400
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- Paraventricular nucleus of hypothalamus
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- 室傍核(しつぼうかく、Paraventricular hypothalamic nucleus)とは、間脳の視床下部を構成する神経核の1つである。
- Der Nucleus paraventricularis ist ein Kerngebiet im Hypothalamus, also im Zwischenhirn. Sein Name leitet sich von seiner Lage neben dem dritten Ventrikel ab. Die großen Nervenzellen dieses Kerngebiets produzieren das Hormon Oxytocin und in geringeren Mengen Antidiuretisches Hormon.
- The paraventricular nucleus (PVN or PVH) is a neuronal nucleus in the hypothalamus. It contains multiple subpopulations of neurons that are activated by a variety of stressful and/or physiological changes. Many PVN neurons project directly to the posterior pituitary where they release oxytocin or vasopressin into the general circulation.
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- Paraventricular nucleus of hypothalamus
- Nucleus paraventricularis
- 室傍核
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- nuclei paraventricularis hypothalami
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