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| chemicals released in one part of the body that travel through the blood stream and affect the activities of cells in other parts of the body |
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| cells that have receptors for a particular hormone |
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| releases heir secretions through tubelike structures called ducts, directly to the organs that use them. |
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| release their secretions(hormones) directly into the blood stream |
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| makes hormones that control the pituitary gland. located in the front of the brain |
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| Produces glands that regulate many of the other endocrine glands. located below Hypothalamus; secretes 9 hormones |
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release parathyroid hormone which regulates level of calcium in the blood.
located on the left side of the thyroid gland |
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| Releases thymosin which stimulates T cell development and proper immune response. located behind upper part of the sternum. |
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| Release Epinepherine and norepinephrine which helps body respond to stress. located atop the kidneys |
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| releases melatonin which is involved in rhythmic activities, such as daily sleep-wake cycles. size of a grain of rice, located in the brain |
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| regulates thyroxine which regulates metabolism. butterfly shaped, located in the neck |
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| produces insulin and glucagon which regulates the level of glucose in the blood. located in the abdomen between the stomach and the spine |
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| produce estrogen and progesterone. estrogen-required for development of 2ndary sex characteristics/development of egg. Progesterone- prepares uterus for fertilized egg |
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| produce testosterone. responsible for sperm production and development of 2ndary sex characteristics in males |
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-are lipids, cross through membranes easily
-when inside the cell, binds to steroid receptor protein
-hormone/receptor complex binds to DNA control sequence
- binding initiatestranscription of specific genes to messenger RNA |
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-not lipid/cannot pass through cell membrane
-binds to receptors on the cell membrane
- the binding activates an enzyme on the inner surface of the membrane
- the enzyme activates 2ndary messengers that carry message of the hormone inside the cell |
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| hormonelike modified fatty acid produced by a wide range of cells; only affects nearby cells and tissues |
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| cause smooth muscles to contract |
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| released by the pituitary when the body is getting dehydrated causing the kidneys to conserve water |
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| Posterior Pituitary-Antidiuretic Hormone |
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| stimulates kidneys to reabsorb water from the collecting tubules |
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| Posterior pituitary-Oxytocin |
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| stimulates contraction of uterus during childbirth; releases milk in nursing mothers |
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| anterior Pituitary: Follicle-stimulating hormone(FSH) |
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Definition
| stimulates production of mature eggs and sperm |
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| anterior pituitary-luteinizing hormone(LH) |
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| stimulates ovaries and testes; prepares uterus for implantation of fertilized eggs |
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| anterior pituitary: Thyroid-stimulation Hormone(TSH) |
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| stimulates the synthesis and release of thyroxine from the thyroid gland |
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| AP: Adreno-corticotropic hormone(ACTH) |
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| stimulates release of hormones from the adrenal cortex |
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| stimulates protein synthesis and growth in cells |
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| stimulates milk production in nursing mothers |
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| AP: Melanocyte-stimulation Hormone(MSH) |
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| increases skin pgment melanin |
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