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Good Links. http:// health.howstuffworks.com/human-body/systems/endocrine/adam-200091.htm http:// www.youtube.com/watch?v=8fh2HmdxQjQ http://www.youtube.com/watch?v=1IQQPtyE7Lc&feature=related. Just the Facts.

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good links
Good Links
  • http://health.howstuffworks.com/human-body/systems/endocrine/adam-200091.htm
  • http://www.youtube.com/watch?v=8fh2HmdxQjQ
  • http://www.youtube.com/watch?v=1IQQPtyE7Lc&feature=related
just the facts
Just the Facts
  • The endocrine and nervous system act individually and together in regulating an animal’s physiology
    • Endocrine system- all the hormone secreting cells and tissues.
      • Ductless
      • Hormones – chemical signals that cause a response in a target cell
      • Controlled by positive and negative feedback
      • Exocrine glands – ducted glands
              • Sweat
              • Oil
slide4

Hormones bind to:

    • Cell-surface receptors and a signal transduction pathway is triggered.
    • Intracellular receptors- lipid soluble, steroid hormones use this method – bind to a receptor that acts as a transcription factor and causes a gene to be expressed
slide6

Hypothalamus and pituitary integrate many functions of the vertebrate endocrine system.

  • Posterior pituitary
    • Oxytocin
    • ADH
  • Anterior Pituitary
      • FSH
      • LH
      • GH
      • Prolactin
      • TSH
      • ACTH
thyroid gland
Thyroid Gland
  • Triiodithyronine
  • Thyroxine
  • Calcitonin
parathyroid
Parathyroid
  • Parathyroid Hormone
pancreas
Pancreas
  • Insulin- Beta Cells of the Islets of Langerhan
  • Glucagon – Alpha Cells of the Islets of Langerhan
adrenal gland
Adrenal Gland
  • Adrenal Medulla – secretes epinephrine and norepinephrine
  • Adrenal Cortex – secretes glucocorticoids
  • mineralocoroticoids
gonads
Gonads
  • Testes – Androgens – Testosterone
  • Ovaries – Estrogens, and Progesterone
pineal
Pineal
  • Melatonin – regulates body rhythms – light /dark cycles
thyroid gland1
Thyroid gland

Hyperthyroidism

Hypothroidism

adrenal gland1
Adrenal gland

Addison’s Disease

Hypoadrenalism

Cushing’s

Hyperadrenalism