The zona fasciculata (sometimes, fascicular or fasciculate zone) constitutes the middle and also the widest zone of the adrenal cortex, sitting directly beneath the zona glomerulosa. Constituent cells are organized into bundles or "fascicles".

Zona fasciculata, the middle zone of the adrenal cortex secretes glucocorticoids which are important for carbohydrate, protein and lipid metabolism. An example is cortisol which raises blood glucose and cellular synthesis of glycogen. Its secretion is controlled by a hormone from the pituitary - ACTH.

2024年2月8日 · The zona fasciculata is the middle zone of the adrenal cortex, deep to the zona glomerulosa and superficial to the zona reticularis. It is the thickest of the three adrenal layers, measuring approximately 0.9mm and making up 50% of the mass of the adrenal gland.

2023年6月12日 · The adrenal cortex contains the zona glomerulosa that produces mineralocorticoids, the zona fasciculata that is the site of glucocorticoid biosynthesis, and the zona reticularis, which is responsible for the production of adrenal androgens. In this chapter, we discuss the embryonic development, anatomy, histology and physiology of the adrenal ...

Zona Fasciculata - middle zone (80%) of two-cell wide vertical cords that secrete cortisol. The cells have a central nucleus and lipid filled ("foamy") cytoplasm. Zona Reticularis - inner zone (7%) of one-cell wide anastomosing rows that secrete precursors of

Zona fasciculata is responsible for synthesizing glucocorticoids as wells adrenal androgens. Ultrastructurally, the main features of zona fasciculata cells are abundant smooth endoplasmic reticulum, tubulovesicular mitochondria, and numerous lipid droplets .

2024年4月1日 · These zones are found above the medulla of the suprarenal gland with the zona fasciculata making up most of the cortical mass. The zona fasciculata consists of large polyhedral cells with lightly staining spherical nuclei. They have well-developed Golgi apparatus and rough endoplasmic reticulum.

(B) Three histologic zones: the zona glomerulosa (G), zona fasciculata (F), and zona reticularis (R). The glomerulosa represents approximately 10% of the cortex and is located subjacent to the capsule. The fasciculata is the broadest of the three zones and is composed of large cells filled with lipid droplets imparting a pale cytoplasm.

The cortex is made up of three regions or zones: the zona glomerulosa, the zona fasciculata and the zona reticularis. The zona fasciculata is probably the easiest layer to spot as it is a broad zone of cells arranged in straight cords, one or two cells thick, which run at right angles to the surface of the gland. The cells of the fasciculata ...

2021年2月2日 · Zona fasciculate of adrenal gland cortex histology This zona fasciculata is the largest zone of adrenal gland cortex in animal. You will find polyhydral cells (cuboidal or columnar cells) that arranged in straight cords in adrenal cortex.