ppt blok 10 urogenital
TRANSCRIPT
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MEKASNISME DAN FUNGSI GINJAL
McGirt Lamberth Robert Uniplaita102011088B4
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STRUKTUR MAKRO
GINJAL
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VESICA URINARIA
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STRUKTUR MIKRO
GINJAL
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FUNGSI GINJAL
Homeostatis
a. Mempertahankan keseimbangan airb. Regulasi jumlah dan (ion):
Na+,K+,Cl,HCO3-,Ca++,Mg++,So4-,P04-,H+c. Mempertahankan volume plasma: tekanan
darah: Na+,HCO-d. Mempertahankan keseimbangan asam basa:
H+,HCO3-
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MEKANISME KERJA GINJAL
Filtrasi (penyaringan) Reabsorbsi(penyerapan kembali) Sekresi(pembuangan)
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Reabsorbsi
Tub. Proksimal (Reabsorbsi Obligat) :65 % air,100% glukosa dan asam amino (transport aktif) ,50% urea
Tub. Distal (Reabsorbsi Fakultatif) :Na+,air,dan Cl (ditingkatkan oleh Aldosteron)
Reabsorbsi Glukosadi segmen awal Tub.Proksimal, reabsorpsi 100%
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PENGARUH HORMONAL
ADH Aldosteron Prostaglandin Gukokortikoid Renin
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Kesimpulan
Sering kencing dan merasa haus,karena keluarnya cairan dalam tubuh( dehidrasi ),kemudian makan banyak, sehingga reabsorbsi glukosa dalam ginjal harus berjalan lancar.dan diharapkan untuk memeriksa kadar gula puasa dan 2 jam post prandial