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Follicle Stimulating Hormone (FSH)
- Source: Anterior Pituitary
- Action: Stimulates follicle maturation; spermatogenesis
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Luteinizing Hormone (LH)
- Source: Anterior Pituitary
- Action: Stimulates Ovulation; testosterone synthesis
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Adrenocorticotrophic (ACTH)
- Source: Anterior Pituitary
- Action: Stimulates adrenal cortex to make and secrete glucocorticoids
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Thyroid Stimulating Hormone (TSH)
- Source: Anterior Pituitary
- Action: Stimulates the thyroid to produce thyroid hormones
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Prolactin
- Source: Anterior Pituitary
- Action: Stimulates milk production and secretion
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Endorphins
- Source: Anterior Pituitary
- Action: Inhibits the perception of pain in the brain
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Growth Hormone
- Source: Anterior Pituitary
- Action: Stimulates bone and muscle growth/lipolysis
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Oxytocin
- Source: Hypothalamus; stored in posterior pituitary
- Action: Stimulates uterine contractions during labor, milk secretion during lactation
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Vasopressin (ADH)
- Source: Hypothalamus; stored in posterior pituitary
- Action: Stimulates water reabsorption in kidneys
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Thyroid Hormones (T3 and T4)
- Source: Thyroid
- Action: Stimulates metabolic activity
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Calcitonin
- Source: Thyroid
- Action: Decreases (tones down) blood calcium level
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Parathyroid Hormone
- Source: Parathyroid
- Action: Increases blood calcium levels
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Glucocorticoids
- Source: Adrenal Cortex
- Action: Increase blood glucose level and decrease protein synthesis
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Mineralcorticoids
- Source: Adrenal Cortex
- Action: Increase water reabsorption in kidneys
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Epinephrine, Norepinephrine
- Source: Adrenal Medulla
- Action: Increases blood glucose level and heart rate
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Glucagon
- Source: Pancreas
- Action: Stimulates conversion of glycogen to glucose in the liver, increases blood glucose
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Insulin
- Source: Pancreas
- Action: Lowers blood glucose levels, increases glycogen stores
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Somatostatin
- Source: Pancreas
- Action: Suppresses secretion of glucagon and insulin
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Testoserone
- Source: Testes
- Action: Maintains male secondary sexual characteristics
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Estrogen
- Source: Ovary/Placenta
- Action: Maintains female secondary sexual characteristics
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Progesterone
- Source: Ovary/Placenta
- Action: Promotes growth/maintenance of endometrium
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Melatonin
- Source: Pineal Gland
- Action: unclear in humans
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Atrial natriuretic peptide
- Source: Heart
- Action: Involved in osmoregulation and vasodilation
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Thymosin
- Source: Thymus
- Action: Stimulates T- lymphocyte development
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