AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Adrenal medulla4/6/2023 ![]() ![]() Publikation: Bidrag til tidsskrift Tidsskriftartikel. They typically cause hypertension ( high blood pressure) that may be paroxysmal (sharply episodic) with attacks of headaches, feelings of apprehension, sweating, flushing of the face, nausea and vomiting, palpitations and tingling of the extremities (the arms and legs). Diminished epinephrine response to hypoglycemia despite enlarged adrenal medulla in trained rats. Pheochromocytomas arise within the adrenal medulla or elsewhere in the sympathetic nervous system. However, a tumor called a pheochromocytoma produces norepinephrine and epinephrine and is equivalent to overfunction of the adrenal medulla. Underfunction of the adrenal medulla is virtually unknown. ![]() Norepinephrine secreted by the adrenal gland acts to narrow blood vessels and raise blood pressure. Epinephrine is secreted in response to low blood levels of glucose as well as exercise and stress it causes the breakdown of the storage product glycogen to the sugar glucose in the liver, facilitates the release of fatty acids from adipose ( fat) tissue, causes dilation (widening) of the small arteries within muscle and increases the output of the heart. The adrenal medulla makes epinephrine ( adrenaline) and norepinephrine (noradrenaline). (The outer portion is the adrenal cortex). Adrenal medulla: The inner portion of adrenal gland.
0 Comments
Read More
Leave a Reply. |