histologi lower traktus digestivus
DESCRIPTION
Histologi Lower Traktus DigestivusTRANSCRIPT
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HISTO
LOGI L
OWER
TRAKT
US DIG
ESTIVUS
HE
RT
HY A
NI N
G P
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Gaster.
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Gaster bagian Fundus
Mukosa
Submukosa
Muskularis eksterna
Gastric pit/ faveola gastrica
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Masih gaster bagian fundus
Gastric pit
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Masih gaster bagian fundus
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Faveola gastrica
Sel parietal
Sel Parietal bentuk bulat, inti jelas di tengah warna violet, sitoplasma eosinofilik, BIASANYA PALING BANYAK LETAKNYA DI APIKAL (DEKET LUMEN)
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Yang ditunjuk pointer itu sel Chief, ukurannya lebih kecil dari sel parietal, sitoplasma basofilik, biasanya lebih banyak di BASAL
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Gaster bagian pilorus
Di bagian pilorus, faveola gastrica lebih DALAM dibanding fundus
Ini yang dimaksud kelenjar pilorus berbentuk tubular
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Ini bagian PILORUS GASTER
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Ini COLON
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Gastroduodenal Junction
Duodenum
Gaster
Kelenjar Brunner
Sfingter pilorus
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Mukosa
Submukosa
Muskularis eksterna
Kelenjar Brunner
Muskularis mukosa yang tidak intak karena infiltrasi kelenjar Brunner
Duodenum
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Jejunum
Submukosa menjorok ke lumen = Plica sirkularis
Plica sirkularis
ViliKelenjar intestinal di lamina propria
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Masih jejunum
MukosaSubmukosa
Muskularis eksterna SIRKULER
Muskularis eksterna LONGITUDINAL
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Ileum penampang melintang
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Plicae circularis di Ileum
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Plexus Auerbach
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Plexus Auerbach/Myentericus di antara lapisan otot sirkuler dan longitudinal. Si plexus ini ada ya di sepanjang GIT ga cuma di ileum aja
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Appendix vermiformis
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Noduli limfatici perbesaran 400x ada centrum germinativum dan mantle zone
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INTESTINUM CRASSUM/COLON
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Lapisannya sama aja mukosa (EPITELNYA BIASA COLUMNER SIMPLEX) submukosa muskularis eksterna serosa
Kripte lieberkuhn penuh goblet MALT
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Itu yang di pointer = Taenia coli, cuma kepotong pas preparasi jadi ga bulet2 amat
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Masih Colon
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Anorectal Junction
Rektum: epitel columner simplex
Bagian dari anal canal: eptel squamous complex non keratin
Udah mulai bagian cutan: ada folikel rambut
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Masih anorectal junction
Sirkuler
Longitudinal
Sfingter ani internus = otot polos = sirkuler + longitudinal
Sfingter ani eksternus
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Sfingter ani eksternus
Sfingter ani internus