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Neuroendocrinology. Neurons + Hormones  Behavior . R eleasing sites inside the central nervous system Hypothalamus neurotransmitters, neuropeptides Neurosecretory factors released into bloodstream Pituitary gland n eurosecretory factors

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Presentation Transcript
neurons hormones behavior
Neurons + Hormones  Behavior
  • Releasing sites inside the central nervous system
    • Hypothalamus
    • neurotransmitters, neuropeptides
  • Neurosecretory factors released into bloodstream
    • Pituitary gland
    • neurosecretory factors
  • Target sites outside the central nervous system
    • Major organs
    • hormones
neurosecretory factors
Neurosecretory Factors
  • Two types
    • short route: signal originates in posterior pituitary (eg. oxytocin, vasopressin)
    • long route: signaling originates in hypothalamus, synapses in anterior pituitary (eg. everything else)
long route
Long Route

Hypothalamus  Median Eminence  Hypophyseal Portal  Pituitary

hormones
Hormones
  • Two types
    • Steroidal: binding sites in cell nucleus
    • Non-steroidal:binding sites on cell surface