Thyrotropin-Releasing Hormone in Specific Nuclei of Rat Brain

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Science  19 Jul 1974:
Vol. 185, Issue 4147, pp. 267-269
DOI: 10.1126/science.185.4147.267


The regional distribution of thyrotropin-releasing hormone (TRH) in rat brain was studied. The greatest concentration of TRH was found in the median eminence. High concentrations were also found in several hypothalamic nuclei. Outside the hypothalamus, relatively large amounts of TRH were found in the septal and preoptic areas.