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The adrenal glands are surrounded by a fatty capsule and lie within the renal fascia, which also surrounds the kidneys. A weak septum (wall) of connective tissue separates the glands from the kidneys. [11] The adrenal glands are directly below the diaphragm, and are attached to the crura of the diaphragm by the renal fascia. [11]
Sagittal section through posterior abdominal wall, showing the relations of the capsule of the kidney (pararenal fat labeled as paranephric body center left) Perirenal space. It is also called the perinephric space. Bounded by the anterior and posterior leaves of the renal fascia. It contains the following structures: Adrenal gland; Kidney ...
The renal fascia is a dense, elastic connective tissue envelope enclosing the kidney and adrenal gland, together with the layer of perirenal fat surrounding these two. [1]The renal fascia separates the adipose capsule of kidney from the overlying pararenal fat.
The right kidney sits just below the diaphragm and posterior to the liver. The left kidney sits below the diaphragm and posterior to the spleen. On top of each kidney is an adrenal gland. The upper parts of the kidneys are partially protected by the 11th and 12th ribs.
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]
Schematic of the HPA axis (CRH, corticotropin-releasing hormone; ACTH, adrenocorticotropic hormone) Hypothalamus, pituitary gland, and adrenal cortex The hypothalamic–pituitary–adrenal axis (HPA axis or HTPA axis) is a complex set of direct influences and feedback interactions among three components: the hypothalamus (a part of the brain located below the thalamus), the pituitary gland (a ...
Digestive system: digestion and processing food with salivary glands, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum, anus; Endocrine system: communication within the body using hormones made by endocrine glands such as the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroid glands, adrenal glands
The adrenal cortex, situated along the perimeter of the adrenal gland; mediates the stress response through the production of various hormones; The thymic cortex [broken anchor], mainly composed of lymphocytes; functions as a site for somatic recombination of T cell receptors, and positive selection