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The adrenal cortex is the outer region and also the largest part of the adrenal gland. It is divided into three separate zones: zona glomerulosa, zona fasciculata and zona reticularis. Each zone is responsible for producing specific hormones. It is also a secondary site of androgen synthesis. [2]
The adrenal cortex is the outer region and also the largest part of an adrenal gland. It is divided into three separate zones: zona glomerulosa, zona fasciculata and zona reticularis. Each zone is responsible for producing specific hormones. The adrenal cortex is the outermost layer of the adrenal gland.
Adrenocortical hormones are divided into three classes by function: mineralocorticoids, glucocorticoids, and androgens. Mineralocorticoid hormones are synthesized in the outermost layer of the adrenal cortex known as the zona glomerulosa. [2] Their function is to regulate the concentration of electrolytes circulating in the blood. [1]
adrenal cortex (zona glomerulosa) MR: Increase blood volume by reabsorption of sodium in kidneys (primarily) Potassium and H + secretion in kidney. Estradiol: estrogen: E 2: females: ovary, males testes: females: granulosa cells, males: Sertoli cell: ER: Females: Structural: promote formation of female secondary sex characteristics; stimulate ...
Adrenocorticotropic hormones bind to ACTH receptors on the cells within the adrenal medulla and adrenal cortex, causing a signal cascade within the adrenomedullary cell, ultimately releasing catecholamines like epinephrine and norepinephrine. [5] Concomitantly, adrenocortical cells secrete corticosteroids.
Steroid hormones can be grouped into two classes: corticosteroids (typically made in the adrenal cortex, hence cortico-) and sex steroids (typically made in the gonads or placenta). Within those two classes are five types according to the receptors to which they bind: glucocorticoids and mineralocorticoids (both corticosteroids) and androgens ...
Adrenal glands. Adrenal cortex; Adrenal medulla; Pancreas. Pancreas contain nearly 1 to 2 million islets of Langerhans (a tissue which consists cells that secrete hormones) and acini. Acini secretes digestive enzymes. [9] Alpha cells. The alpha cells of the pancreas secrete hormones to maintain homeostatic blood sugar. Insulin is produced and ...
The adrenal cortex originates from the thickening of the intermediate mesoderm. [3] At five to six weeks of gestation, the mesonephros differentiates into a tissue known as the gonadal ridge. The gonadal ridge produces the steroidogenic cells for both the gonads and the adrenal cortex. [4] The adrenal medulla is derived from ectodermal cells ...