4/9/2023 0 Comments Medulla hormonesThe nerve impulses which are reaching through the sympathetic nerve fibers are responsible for stimulating the adrenal medulla to release its hormones. ![]() The ACTH of the anterior lobe of the pituitary gland is responsible for the stimulation of adrenal cortex to release its hormones. Its destruction does not result in death. The adrenal medulla is not differentiated into zones or regions. The adrenal cortex contains three zones or regions. ![]() The adrenal medulla is developed from the ectodermal layer. The adrenal cortex is developed from the mesodermal layer. It constructs about 25% of the adrenal gland.įibrous capsule does not cover the adrenal medulla. It constructs about 75% of the adrenal gland. It is the central soft part of the adrenal gland. It is the outer rigid portion of the adrenal gland. The inner or middle part of the adrenal gland is called adrenal medulla. The outermost covering of the adrenal gland is called adrenal cortex. ![]() ![]() Adrenal cortex has no cooperation with the sympathetic nervous system, on the flip side, the sympathetic nervous system functions with the adrenal medulla as an integrated system which is called as the sympatheticoadrenal system.
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