Endocrine glands secrete steroid hormones

Other common diseases that result from endocrine dysfunction include Addison’s disease , Cushing’s disease and Grave’s disease . Cushing's disease and Addison's disease are pathologies involving the dysfunction of the adrenal gland. Dysfunction in the adrenal gland could be due to primary or secondary factors and can result in hypercortisolism or hypocortisolism . Cushing’s disease is characterized by the hypersecretion of the adrenocorticotropic hormone (ACTH) due to a pituitary adenoma that ultimately causes endogenous hypercortisolism by stimulating the adrenal glands. [29] Some clinical signs of Cushing’s disease include obesity, moon face, and hirsutism. [2] Addison's disease is an endocrine disease that results from hypocortisolism caused by adrenal gland insufficiency. Adrenal insufficiency is significant because it is correlated with decreased ability to maintain blood pressure and blood sugar, a defect that can prove to be fatal. [30]

Minimally invasive parathyroid thyroid surgery is performed through a small (2 to 3 cm) keyhole incision directly over the tumour and can be performed under a general or local anaesthetic. It is only suitable for patients where pre-operative scans and tests have been able to identify the exact location of a single parathyroid tumour. Through the small incision the surgeon removes only the enlarged parathyroid, taking great care not to injure the nearby nerves. The skin incision is closed and many patients can go home the same day. In up to 5% of cases, a minimally invasive parathyroidectomy may have to be converted to an open parathyroidectomy if the surgeon cannot locate an enlarged parathyroid gland.

Digestion
The exocrine portion of the pancreas plays a major role in the digestion of food. The stomach slowly releases partially digested food into the duodenum as a thick, acidic liquid called chyme. The acini of the pancreas secrete pancreatic juice to complete the digestion of chyme in the duodenum. Pancreatic juice is a mixture of water, salts, bicarbonate, and many different digestive enzymes. The bicarbonate ions present in pancreatic juice neutralize the acid in chyme to protect the intestinal wall and to create the proper environment for the functioning of pancreatic enzymes. The pancreatic enzymes each specialize in digesting specific compounds found in chyme.

The body's glands remove specific substances from the blood and alter them for rerelease into the blood or removal. Glands such as those that produce saliva and sweat secrete their products through tiny ducts or tubes on or near the body's surface. The glands without ducts, called the endocrine glands, instead secrete their products into the bloodstream; the endo- root indicates that the secretions are internal rather than on the surface. The endocrine system includes such glands as the pituitary (which controls growth, regulates the other endocrines, and performs many other tasks), the thyroid (another growth gland that also influences metabolism), the adrenals (which secrete adrenaline and steroids), the hypothalamus (which influences sleep and weight regulation), and the ovaries (which produce eggs). Endocrine problems are treated by endocrinologists .

Thymus
The thymus is a soft, triangular-shaped organ found in the chest posterior to the sternum. The thymus produces hormones called thymosins that help to train and develop T-lymphocytes during fetal development and childhood. The T-lymphocytes produced in the thymus go on to protect the body from pathogens throughout a person’s entire life. The thymus becomes inactive during puberty and is slowly replaced by adipose tissue throughout a person’s life.

Other Hormone Producing Organs
In addition to the glands of the endocrine system, many other non-glandular organs and tissues in the body produce hormones as well.  

Endocrine glands secrete steroid hormones

endocrine glands secrete steroid hormones

The body's glands remove specific substances from the blood and alter them for rerelease into the blood or removal. Glands such as those that produce saliva and sweat secrete their products through tiny ducts or tubes on or near the body's surface. The glands without ducts, called the endocrine glands, instead secrete their products into the bloodstream; the endo- root indicates that the secretions are internal rather than on the surface. The endocrine system includes such glands as the pituitary (which controls growth, regulates the other endocrines, and performs many other tasks), the thyroid (another growth gland that also influences metabolism), the adrenals (which secrete adrenaline and steroids), the hypothalamus (which influences sleep and weight regulation), and the ovaries (which produce eggs). Endocrine problems are treated by endocrinologists .

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