The Endocrine System - Revised Questions and Answers / Sure A+

Complete removal of the adrenal glands would eliminate the release of which hormones? - glucocorticoids, mineralocorticoids, adrenal cortex androgens, and adrenal medulla norepinephrine and epinephrine (androgens would still be released by the gonads and the sympathetic division of the ANS would release norepinephrine and epinephrine) Explain how blood levels of T3/T4, TSH, and TRH would change in a laboratory animal that has undergone a thyroidectomy (complete removal of its thyroid gland). - low blood levels of T3 and T4 would stimulate increase in levels of TRH, which would stimulate increased levels of TSH; however, removal of the thyroid gland would prevent production of T3 and T4 Functionally, how are the axons of hypothalamic neurosecretory cells and the hypophyseal portal veins similar? - both are direct routes for hormone release that do not involve the general circulation How are the thyroid hormones synthesized, stored, and transported in the bloodstr