Literature DB >> 8981484

Projections from the ventrolateral periaqueductal gray to endocrine regulatory subdivisions of the paraventricular nucleus of the hypothalamus in the rat.

N S Floyd1, K A Keay, C M Arias, P E Sawchenko, R Bandler.   

Abstract

The ventrolateral periaqueductal gray (vlPAG) mediates quiescence, hyporeactivity, hypotension and bradycardia, a pattern of response evoked by injury or social defeat. These stimuli also evoke increased levels of vasopressin (VP) and adrenocorticotrophic hormone (ACTH). A key central nervous system (CNS) locus mediating endocrine changes is the paraventricular nucleus of the hypothalamus (PVH). We investigated the extent of vlPAG projections to PVH. Anterograde tracer injections into the vlPAG, revealed 'terminal' label in: (1) the medial, dorsal, anterior and lateral parvicellular divisions, and (2) lateral and medial posterior magnocellular divisions of the PVH. Deposits of the retrograde tracer Fast Blue, verified the projection to the PVH arising from the vlPAG.

Entities:  

Mesh：

Year:  1996        PMID： 8981484     DOI： 10.1016/s0304-3940(96)13240-7

Source DB:  PubMed          Journal:  Neurosci Lett        ISSN： 0304-3940            Impact factor:   3.046


  14 in total

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Review 3.  Distinct patterns of neuronal inputs and outputs of the juxtaparaventricular and suprafornical regions of the lateral hypothalamic area in the male rat.

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4.  Brainstem origins of glutamatergic innervation of the rat hypothalamic paraventricular nucleus.

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5.  A Basal Forebrain Site Coordinates the Modulation of Endocrine and Behavioral Stress Responses via Divergent Neural Pathways.

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7.  Hypothalamic and brainstem sources of pituitary adenylate cyclase-activating polypeptide nerve fibers innervating the hypothalamic paraventricular nucleus in the rat.

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8.  Cardiovascular and thermal responses evoked from the periaqueductal grey require neuronal activity in the hypothalamus.

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Review 9.  The long-term impact of early life pain on adult responses to anxiety and stress: Historical perspectives and empirical evidence.

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Review 10.  Ascending mechanisms of stress integration: Implications for brainstem regulation of neuroendocrine and behavioral stress responses.

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