anatomi hati
TRANSCRIPT
![Page 1: Anatomi Hati](https://reader033.vdocuments.pub/reader033/viewer/2022061318/5571fb40497959916994598b/html5/thumbnails/1.jpg)
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Organ hatiTerdiri atas 2 lobus, kiri dan kananLobulus merupakan unit-unit kecil yang
membentuk lobusLobulus terdiri atas sel-sel hati disebut
hepatosit.Sel fagositik juga terdapat dihati di sebut sel
kupffer.
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EmpeduTerdiri atas kandung empedu dan saluran
empeduKandung empedu seperti buah per, terdiri
atas otot polos, kapasitas 30-50 ml.Saluran empedu, terdiri atas kanalikulus,
duktus hepatikus, duktus sistikus dan duktus koledokus (duktus biliaris)
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Sirkulasi hatiVena porta dan arteri hepatika→hati→sinusoid
(kapiler hati)→vena sentralis (venule)→vena hepatika→VCI
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Fisiologi hatiFungsi metabolismeMetabolisme glukosaMetabolisme glukosa di hati berdasarkan 3
prosesGlikogenesis, glikogenolisis, glukoneogenesis
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Metabolisme proteinHati merupakan organ penyimpan protein
utama.Jika kadar protein cukup→protein diubah
menjadi asam amino, glukosa, glikogen, atau asam lemak
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Metabolisme lemakSimpanan lemak di hati→Trigliserida Trigliserida→as. Lemak + gliserol→siklus
kerbs→energi
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Metabolisme kolesterolHati membuat garam empedu yang berguna
untuk sistem pencernaan dari kolesterol.Sisa kolesterol dari pembuatan garam empedu
masuk aliran darah, berikatan dengan fospolipid menjadi lipoprotein
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Fungsi sekresi→sekresi empeduBiotransformasi metabolikBiotrasformasi bilirubinBiotransformasi hormonBiotransformasi amoniakMetabolisme obat dan toksikMetabolisme alkohol
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Tempat menyimpan darahTempat membentuk protein plasmaTempat membentuk faktor pembekuanPenyimpanan nutrien dan vitamin
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Fungsi imunologi hatiSel kupffer berfungsi sebagai fagositik,
menyingkirkan bakteri, sel mati, dan benda asing lain yang ada di dalam hati.
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Hati pada sirosis
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Sklera ikterik
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Asites
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Ginekomastia
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Eritema palmar
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Spider angioma
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Varises esofagus dan hemoroid