Journal article

DISTRIBUTION OF SOMATOSTATIN IMMUNOREACTIVITY IN SHEEP HYPOTHALAMUS - A COMPARISON WITH THAT OF THE RAT

JO WILLOUGHBY, JR OLIVER, TP FLETCHER, IJ CLARKE

ARCHIVES OF HISTOLOGY AND CYTOLOGY | INT SOC HISTOLOGY & CYTOLOGY | Published : 1995

Abstract

The distribution of somatostatin immunoreactivity was determined throughout the hypothalamus of the sheep and comparisons were made with the known distribution of somatostatin immunoreactivity in the rat. Immunopositive perikarya were present in the sheep periventricular region from as far rostral as the supraoptic recess of the third ventricle to the posterior optic chiasm. In the basal hypothalamus, a thick shell of immunopositive neurons surrounded the ventromedial nucleus (VMH), and there were also neurons in the caudal arcuate nucleus. Somatostatin immunoreactive fibres were concentrated in the dorsal VMH and arcuate nucleus as well as in the median eminence. The distribution in sheep w..

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