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Axa Hipotalamo -H i pofizar ă

Axa Hipotalamo -H i pofizar ă. C ărăvan Ionuț Anul III MG. Embriogenez ă. Neuroectoderm diencefal = > H IPOTALAMUS Invaginare stomatodeum ( punga Rathke ) => ADENOHIPOFIZA Extensie inferioară neuroectoderm diencefal = > NEUROHIPOFIZA. Repere anatomice. Anatomia Hipofizei.

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Axa Hipotalamo -H i pofizar ă

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  1. AxaHipotalamo-Hipofizară Cărăvan Ionuț Anul III MG

  2. Embriogeneză • Neuroectoderm diencefal => HIPOTALAMUS • Invaginarestomatodeum(pungaRathke) => ADENOHIPOFIZA • Extensieinferioară neuroectodermdiencefal => NEUROHIPOFIZA

  3. Repere anatomice

  4. Anatomia Hipofizei

  5. Nucleii Hipotalamici

  6. Vascularizația • Artere hipofizare • Artere hipotalamice

  7. Histologia adenohipofizei • Cromofobe • Cromofile • Acidofile • somatotrope • mamotrope • Bazofile: • tireotrope • corticotrope • gonadotrope

  8. Sistemul port hipotalamo-hipofizar • Gr. T. Popa • UnaFielding • Artere hipofizare • Vene hipofizare • Plexuri(3)

  9. Tractulhipotalamo-hipofizar • Supraoptic • Paraventricular • Eminența mediana

  10. H. stimulatori • H inhibitori • Sistem port • Hotmonihipofizari

  11. Sindromul Sheehan Caracteristici: • extrem de rară • hemoragie masivă intra/post partum • necroze tisulare • hipopituitarism Clinic: • lipsa lactației • fatigabilitate • hipomenoree • dispariție pilozitate • hipoTA • Tratament: • substituție hormonală • până la menopauză(sexuali) • toată viață(tiroidieni, CSR)

  12. Referințe • Atlas de anatomie Netter • KahleAtlas of Human Anatomy • Medline Plus • Snell Clinical Neuroanatomy • google.ro

  13. Vă mulțumesc pentru atenție!

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