Endocrine

• Endocrine system


  Composed of different glands which secrete hormones that regulate metabolism, growth and development, mood, and reproduction
• Hormones


  Organic substances released by the glands of the endocrine system directly into the bloodstream
• Hormones


  Capable of changing the physiological and metabolic behaviors of their target cells to maintain homeostasis
• Homeostasis


  A self-regulating process by which a living organism can maintain internal stability while adjusting to changing external conditions
• Endocrine System Disorders


  • Osteoporosis
  • Goiter
  • Gigantism
  • Dwarfism
• Osteoporosis


  A disease that happens when the mineral density of the bone is reduced making it brittle and porous; one of the possible causes is parathyroid hormone secretion
• Goiter


  An abnormal enlargement of the thyroid gland; results from the underproduction or overproduction of thyroid hormones
• Gigantism


  A disorder that happens during childhood when there is abnormal increase in height associated with too much secretion of growth hormones
• Dwarfism


  A condition wherein the production of growth hormones in the pituitary gland is insufficient resulting in short stature
• Uses of Hormones


  • Adrenaline (Adrenal Gland) - increases blood pressure, heart rate, and metabolism in reaction to stress
  • Aldosterone (Adrenal Gland) - controls the body's salt and water balance
  • Estrogen (Ovary) - works to regulate the menstrual cycle, maintain pregnancy, and develop female sex characteristics; aids in sperm production
  • Follicle-Stimulating Hormone (FSH) (Pituitary) - controls the production of eggs and sperm
  • Glucagon (Pancreas) - helps increase levels of blood glucose
  • Insulin (Pancreas) - helps reduce your blood glucose levels
  • Luteinizing hormone (LH) (Pituitary) - controls estrogen and testosterone production as well as ovulation
  • Oxytocin & Prolactin (Pituitary) - helps with lactation, childbirth, and mother-child bonding
  • Parathyroid hormone (Parathyroid) - controls calcium levels in bones and blood
  • Progesterone (Ovary) - helps prepare the body for pregnancy when an egg is fertilized