Master gland of the endocrine system - for that
Chapter List. They are glands of the exocrine system that secrete their essential product by way of a duct to some environment external to itself, either inside the body or on a surface of the body. Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream. Examples of exocrine glands include the sweat glands, salivary glands, mammary glands, and liver. They are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands. The hypothalamus and pituitary gland are neuroendocrine organs. Local chemical messengers, not generally considered part of the endocrine system, include autocrines, which act on the cells that secrete them, and paracrines, which act on a different cell type nearby. A hormone a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour. Hormones have diverse chemical structures that include eicosanoids, steroids, amino acid derivatives, peptides, and proteins.Not: Master gland of the endocrine system
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The glands that make up the endocrine system produce chemical messengers called hormones that travel through the blood to other parts of the body.
Review Date 5/10/2019
Important endocrine glands include the pituitary, thyroid, parathyroid, thymus, and adrenal glands. There are other glands that contain endocrine tissue and secrete hormones, including the pancreas, ovaries, and testes. The endocrine and nervous systems work closely together. The brain sends instructions to the endocrine system.
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In return, it gets constant feedback from the glands. The hypothalamus is the master switchboard.
It's the part of the brain that controls the endocrine system. That pea-sized structure hanging below it is the pituitary gland. It's called the master gland because it regulates the activity of the glands. The hypothalamus sends either hormonal or electrical messages to the pituitary gland. In turn, it releases hormones that carry signals to other glands.
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The system maintains its own balance. When the hypothalamus detects the rising level of hormones from a target organ, It sends a message to the pituitary to stop releasing certain hormones. When the pituitary stops, it eystem the target organ to stop producing its hormones. Updated by: Linda J. Editorial team.
Endocrine glands. What's this? Overview The glands that make up the endocrine system produce chemical messengers called hormones that travel through the blood to other parts of the body. The two systems together are called the neuro endocrine system. The constant adjustment of hormone levels lets the body function normally. This process is called homeostasis. Related MedlinePlus Health Topics.]
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