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The pancreas, located in the abdomen, below and behind the stomach, is both an exocrine and an endocrine gland. The alpha and beta cells are the endocrine cells in the pancreatic islets that release insulin and glucagon and smaller amounts of other hormones into the blood. Insulin and glucagon influence blood sugar levels.
The pancreas is an organ of the digestive system and endocrine system of vertebrates. In humans, it is located in the abdomen behind the stomach and functions as a gland. The pancreas is a mixed or heterocrine gland, i.e., it has both an endocrine and a digestive exocrine function. [2] 99% of the pancreas is exocrine and 1% is endocrine.
The hypothalamus, pancreas, and thymus also function as endocrine glands, among other functions. (The hypothalamus and pituitary glands are organs of the neuroendocrine system . One of the most important functions of the hypothalamus—it is located in the brain adjacent to the pituitary gland—is to link the endocrine system to the nervous ...
The adjective renal, meaning related to the kidney, is from the Latin rēnēs, meaning kidneys; the prefix nephro-is from the Ancient Greek word for kidney, nephros (νεφρός). [37] For example, surgical removal of the kidney is a nephrectomy, while a reduction in kidney function is called renal dysfunction.
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 pituitary gland (or hypophysis) is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity (sella turcica) covered by a dural fold (diaphragma sellae).
Renal corpuscles are composed of 4 cell types: fenestrated endothelium, mesangial cells, podocytes and parietal epithelial cells of Bowman's capsule. [101] At least 16 different cell types make up the renal tubules. [102] The tubules themselves are divided into at least 14 segments, [102] which differ in cell types and functions. [103]
Human abdomen to the pelvic brim or to the pelvic inlet The back – the spine and its components, the vertebrae , sacrum , coccyx , intervertebral disks Pelvis and perineum – the pelvis consists of everything from the pelvic inlet to the pelvic diaphragm ; the perineum is the region between the sex organs and the anus