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Endocrine system - Wikipedia, the free encyclopedia (517 words) |
 | The endocrine system is a control system of ductless glands that secrete chemical "instant messengers" called hormones that circulate within the body via the bloodstream to affect distant cells within specific organs. |
| Typical endocrine glands are pituitary, thyroid, and adrenal glands, but not exocrine glands such as salivary glands, sweat glands and glands within the gastrointestinal tract. |
| The field of medicine that deals with disorders of endocrine glands is endocrinology, a branch of the wider field of internal medicine. |
| Endocrine System - MSN Encarta (2273 words) |
| Hormones from the endocrine organs are secreted directly into the bloodstream, where special proteins usually bind to them, helping to keep the hormones intact as they travel throughout the body. |
| Endocrine disorders are classified in two ways: disturbances in the production of hormones, and the inability of tissues to respond to hormones. |
| An endocrinologist evaluating a patient for a possible endocrine disorder relies on the patient's history of signs and symptoms, a physical examination, and the family history—that is, whether any endocrine disorders have been diagnosed in other relatives. |
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