Pituitary 2

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PITUITARY & FEEDBACK REGULATION Oleh: Kelompok 2

description

pituitary

Transcript of Pituitary 2

  • Oleh: Kelompok 2

    PITUITARY
    &
    FEEDBACK REGULATION

  • PITUITARY

    AnatomyDevelopmentHormon yang dihasilkanFisiologi
  • 1) Anatomy of The Pituitary Gland

  • Pituitary Gland

    Pars intermedia

    Anterior lobes (adenohypophisis)

    Berasal dari kantong Rathke (bagian invaginasi epitel faring sewaktu pembentukan embrio).

    Posterior lobes (neurohypophisis)

    Berasal dari penonjolan jaringan saraf hipotalamus (terutama saraf terminal, pituisit, dan kapiler-kapiler)

  • OKSITOSINVASOPRESIN
  • Posterior lobes

    ADH (antidiuretik hormon)/ vasopresin.

    Oksitosin

  • Posterior lobes

    Neurofisin

    (peptida transpor)

    Neurofisin 1 (E)

    Neurofisin 2 (N)

    Oksitosin

    Vasopresin

  • Anterior lobes

    Pars tuberalis

    Pars distalis

  • PITUITARY---->P.SIMPAN & P. SEKRESI

    Awal Fase Folikuler

    OVARY

    Reserve

    FSH & LH

    Ovary

    (+)

    (-)

    (+)

    (+)

    (+)

    Activation

    Estrogen

    (+)

    GnRH

    secretion

    FSH dan LH

    Serum Gonadotropin

    PRODUKSI

    GONADOTROPIN

  • Pertengahan Siklus (Pre Ovulasi)

    (+)

    (+)

    (+)

    (+)

    (+)

    activation

    (+)

    FSH surge

    LH surge

    Reserve

    FSH & LH

    GnRH

    secretion

    FSH dan LH

    Estrogen

    High Level

    Progesteron (low level)

    OVARY

    Serum Gonadotropin

    PRODUKSI

    GONADOTROPIN

  • Ovary

    (+)

    (+)

    (+)

    activation

    FSH surge

    LH surge

    Fase Luteal (Pasca Ovulasi)

    Reserve

    FSH & LH

    secretion

    FSH dan LH

    GnRH

    Progesteron (high level)

    Estrogen

    Estrogen

    Progesteron (high level)

    OVARY

    Serum Gonadotropin

    PRODUKSI

    GONADOTROPIN

    SAMSULHADI. DEPT. OF OBSTETRIC & GYNECOLOGY, FAC. OF MEDICINE AIRLANGGA UNIVERSITY. DR. SOETOMO HOSPITAL SURABAYA Februari 2014

    Estradiol

    Progesterone

    17-OH Progesterone

    Progesterone

    Estradiol

    FSH

    Progesterone

    17-OHP

    Ng/mL

    10

    9

    8

    7

    6

    5

    4

    3

    2

    1

    2 4 6 8 10 12 14 16 18 20 22 24 26 28

    LH

    Estradiol

    FSH

    LH

    LH

    Progesterone

    17-OH Progesterone

    FSH

    FSH

    LH

    Estradiol

    17-OH Progesterone

    Reserve

    FSH & LH

    GnRH

    Estrogen

    Secretion

    FSH & LH

    Ovary

    Progesterone (high level)

    Estrogen Progesterone (high level)

    LH surge

    FSH surge

    +

    +

    Reserve

    FSH & LH

    GnRH

    Estrogen

    ( + )

    Secretion

    FSH & LH

    Ovary

    +

    +

    (-)

    Activation

    Reserve

    FSH & LH

    Estrogen

    High Level

    Secretion

    FSH & LH

    Ovary

    Progesterone (low level)

    LH surge

    FSH surge

    GnRH

    Activation

  • TERIMAKASIH