pratikum histologi mata - tht
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Pratikum HistologiMATA dan Telinga
c t t n
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Organon Visus
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1. Dinding Bola Mata
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Scleralapisan paling luar , ttd serabut kolagen, elastic dan sel-sel fibrosa
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Tunica choroidea :
banyak pembuluh darah, tdd 3 lapisan
1.Epichoroid = suprachoroid (banyak pigmen)
2.Stratum vasculosum (banyak pembuluh darah dan pigmen)3.Stratum chorio capillare (ada vessel tp kecil2)
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Tunica nervosa = Retina
• Pigmen epithelium (luar) : – Melekat pada membarana
bruch
– Banyak sel berpigmen
• Neural retina (dalam): –
Rod & Cone – Outher limiting membrane
– Outher nuclear
– Outher flexiform layer
– Inner nuclear layer
– Inner flexoform layer
– Lapisan sel ganglion
–
Lapisan serabut syaraf – Internal limiting membrane
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• Pigmen epithelium (luar) : – Melekat pada membarana bruch
– Banyak sel berpigmen (fungsinya pelindung retina, fagosit, mencegah refraksi cahaya,regenerasi rodopsin)
• Neural retina (dalam): –
Rod & Cone (reseptor cone di fovea centralis) – Outher limiting membrane
– Outher nuclear (nukleus sel-sel red & cone)
– Outher flexiform layer
– Inner nuclear layer -bipolar asosiasi (sel horizontal, amacrine, muller)
– Inner flexoform layer – synaps sel2 photoreceptor, bipolar, horizontal
– Lapisan sel ganglion – ganglion + neuroglia
– Lapisan serabut syaraf
– Internal limiting membrane
Tambahan catetan feros =)
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Macula lutea
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Fovea centralis
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Fovea Centralis
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2. Cornea
Lapisan
Epithel
Membrana Bowmann
Stroma substansia propria
Membrana descementEndothel (mesenchymal epithelium) – epitel squamous simplex
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Scelorocorneal junction (limbus)
Canalis Schlem : untuk absorpsi humour aq. Processus ciliaris Berlanjut masuk ke trabecular meshwork produksi homour aq.
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3.Corpus Ciliarisberada di anterior ora serata, segita, terdapat M.ciliaris
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Ora Serataperbatasan antara retina pars iriadica dengan pars optica
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4.Procesus Ciliaris
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5. Zonulla Zinniserpih-serpih diantara lensa dan corpus ciliaris
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6. Lensaperhatikan epitel, capsual dan jaringan stroma
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Kapsula lentis
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Palpebra
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Palpebra
• Lapisan dari luar ke dalam sbb :
• Kulit : ciri-ciri kulit pada umumnya :
• Terdapat kelenjar Moll(kelenjar keringat)
•Kelenjar Zeiss (kelenjar lemak) di sekitar folikel rambut
• Musculus orbicularis oris voluntary muscle
• Fachia palpebral atau tarsus
• Glandula Meibom
• Musculus ciliaris-reolani di belakang bulu mata / blkg duktusglandula meibom
• Conjuctiva
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Kelenjar Meibomkelenjar cebacea yg mempunyai alveoli dan lobus2 di bagian terminalnya
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Tarsus jaringan ikat
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Kelenjar Mol
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Conjuctiva
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Extraocular Muscle
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Labirin
Yang ditunjuk organon corti
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Organon Corti
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Organ Corti + Membran Tektoria
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Membran Reissnerkelihatan lebih tipis
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Ganglion Spirale
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Stria Vascularis
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