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. 1975 Dec;34(2):389-92.
doi: 10.1016/0014-2999(75)90269-1.

Distribution of thyrotropin-releasing hormone (TRH) in the central nervous system as revealed with immunohistochemistry

Distribution of thyrotropin-releasing hormone (TRH) in the central nervous system as revealed with immunohistochemistry

T Hökfelt et al. Eur J Pharmacol. 1975 Dec.

Abstract

With the indirect immunofluorescence technique TRH-containing nerve terminals were found in the medial part of the external layer of the median eminence, the dorsomedial nucleus and the perifornical area, in extrahypothalmic nuclei such as nucleus accumbens, the lateral septal nucleus and in several motor nuclei of the brain stem and spinal cord. These findings suggest that TRH may act both as a hormone, released into the portal vessels, as well as a neurotransmitter or modulator, released at synapses in discrete regions of the brain and spinal cord.

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