Pituitary 2
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Transcript of Pituitary 2
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Oleh: Kelompok 2
PITUITARY
&
FEEDBACK REGULATION -
PITUITARY
AnatomyDevelopmentHormon yang dihasilkanFisiologi -
1) Anatomy of The Pituitary Gland
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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)
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Posterior lobes
ADH (antidiuretik hormon)/ vasopresin.
Oksitosin
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Posterior lobes
Neurofisin
(peptida transpor)
Neurofisin 1 (E)
Neurofisin 2 (N)
Oksitosin
Vasopresin
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Anterior lobes
Pars tuberalis
Pars distalis
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PITUITARY---->P.SIMPAN & P. SEKRESI
Awal Fase Folikuler
OVARY
Reserve
FSH & LH
Ovary
(+)
(-)
(+)
(+)
(+)
Activation
Estrogen
(+)
GnRH
secretion
FSH dan LH
Serum Gonadotropin
PRODUKSI
GONADOTROPIN
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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
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TERIMAKASIH