endocrine system
DESCRIPTION
Endocrine System. Glands & Hormones. Hormone. A chemical messenger that is produced at one site and carried by the blood to its site of action (target cells). Pituitary Gland. 1. ACTH (Adrenocorticotropic hormone) Stimulates adrenal glands to make Cortisol and aldosterone - PowerPoint PPT PresentationTRANSCRIPT
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Endocrine System
Glands & Hormones
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Hormone A chemical messenger that is
produced at one site and carried by the blood to its site of action (target cells)
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Pituitary Gland1. ACTH (Adrenocorticotropic hormone) Stimulates
adrenal glands to make Cortisol and aldosterone
2. ADH (Antidiuretic hormone) Causes kidneys to reabsorb more water preventing dehydration
3. GH (Growth hormone) (Causes bone and muscle growth)
4. TSH (Thyroid stimulating hormone) (Stimulates thyroid gland to make T3 and T4)
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Pituitary Gland5. LH (Luitenizing hormone) (Stimulates estrogen &
progesterone secretion from ovaries & testosterone secretion from testes)
6. FSH (Follicle stimulating hormone) (Egg & sperm production)
7. Oxytocin (Causes uterine contractions)
8. Prolactin (milk production)
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Pineal Gland• Melatonin (Initiates sleep)
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Thyroid Gland T3 (Triiodothyronine) (Controls
metabolism)
T4 (Thyroxin) (Controls metabolism)
• Calcitonin (Builds up bone to lower blood calcium)
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Parathyroid Gland• PTH (Parathyroid hormone) (Breaks
down bone to raise blood calcium)
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Thymus Gland• Thymosin (Controls immune
system)
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Pancreas• Insulin (Allows glucose to enter
cells; LOWERS blood glucose)
• Glucagon (Stimulates liver to make glucose; RAISES blood glucose)
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Adrenal GlandsMedullaa. Epinephrine (adrenaline)
(Increases: blood glucose, heart rate, blood pressure, breathing rate, & dilates bronchioles)
b. Nor-epinephrine (nor-adrenaline) (Same as Epinephrine)
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Adrenal Glands Cortexa. Cortisol (Stress released to increase
blood glucose)b. Aldosterone (Controls salt & water
balance)c. Androgens (small amounts of
estrogen and testosterone)
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Ovaries• 1. Estrogen (Creates female
secondary sex characteristics)
• 2. Progesterone (Thickens the uterus lining each month)
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Testes• 1. Testosterone (Creates male
secondary sex characteristics)
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Kidneys• Renin and Angiotensinogen which
control blood volume
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Heart• ANP (Atrial Naturetic Polypeptide)
which causes Na ions to be excreted in the kidney (Lose water & ultimately blood pressure)
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Negative Feedback
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