<P> Following secretion , TRH travels across the median eminence to the anterior pituitary gland via the hypophyseal portal system where it stimulates the release of thyroid - stimulating hormone from cells called thyrotropes . </P>
how does thyrotropin releasing hormone travel from the hypothalamus to the pituitary gland
across the median eminence to the anterior pituitary gland via the hypophyseal portal system