Fetal Bin Growth: Selective Action by Growth Hormone

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Science  01 Nov 1974:
Vol. 186, Issue 4162, pp. 446-447
DOI: 10.1126/science.186.4162.446


Growth hormone was administered to pregnant rats maintained under dietary control, and fetal and placental growth and nutrition were examined. Growth hormone had a selective action on brain growth that could not be attributed to nutrient mobilization but suggested a trophic factor which is unique to the brain.