cestoda h nana
TRANSCRIPT
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sutriswanto
Cestoda
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Ordo PseudophyllideaDiphyllobothrium latumHospes :
H. definitif : manusiaH. Reservoir : anjing, anjing hutan, beruang
Penyakit : difilobotriasisPenyebaran Geografik : Amerika, Eropa, dan Afrika (Madagaskar)
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Morfologi dan Siklus HidupCacing dewasa:
Panjang sampai 10 meter, t.a. 3000-4000 proglotid.
Skolek : seperti sendok, mempunyai dua lekuk isap
Proglotid :Lebar lebih panjang dari panjangnyaLubang uterus di bagian tengah
proglotidMempunyai lubang uterusUterus panjang berkelok-kelok
membentuk roset.
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CACING DEWASADiphyllobotrium latum
PANJANG : 3 - 10 m
PROGLOTID : LEBAR >PANJANG
JML : 3000 - 4000
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SKOLEKS Diphyllobothrium latum
SKOLEKS Diphyllobothrium latum
BENTUK: SEPERTI SENDOK
ALAT ISAP : SEPERTI CELAH 2 BH
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Telur : Mempunyai operkulumSel-sel telurMenetas dalam air korasidium
Memerlukan 2 hospes perantaraHospes perantara I : Cyclops dan Diaptomus
Berisi larva PROCERCOIDHospes Perantara II : ikan salem
Berisi larva PLEROCERCOID atau SPARGANUM
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Daur hidup D. latum
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TELUR Diphyllobothrium latum
TELUR Diphyllobothrium latum
TELUR : • 45-70• PUNYA OPERKULUM• TAK ADA HEK EMBRIO
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Morfologi D. latum
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Rekapitulasi dari morfologi D. latum
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Cara infeksi : makan ikan mentah yang mengandung larva
pleroserkoid
Patologi dan gejala klinis Tidak menimbulkan gejala beratCacing di permukaan usus halus menimbulkan
anemia hiperkrom makrositerBila jumlah cacing besar obstruksi usus
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Diagnosis
Menemukan telur dalam tinjaAtau proglotid keluar bersama tinja
Pengobatan Atabrin dalam keadaan perut kosong disertai
pemberian Na-bikarbonas.
Epidemiologi tidak ditemukan di Indonesia. Masak ikan dengan sempurna.
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TERAPI: - Quinacrine hydrobromide
(=mepacrine) - Yomesan - Arecoline hydrobromide - Dichlorophen
PENCEGAHAN :Memasak ikan dengan sempurna sebelum dikonsumsi
Stadium : Telur Coracidium Procercoid Plerocercoid (stadium infektif)
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CYCLOPHYLLIDEA
Hymenolepis nanaH. diminuta
Diphylidium caninum
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(Dwarf tapeworm)
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Hymenolepis nana(dwarf tapeworm)
Hospes : Manusia dan tikusPenyakit : himenolepiasisPenyebaran geografik : kosmopolit
Morfologi dan daur hidupMerupakan cacing pita terkecilPjg 25 mm-40 mm dan lebar 1 mmUkuran strobila berbanding terbalik dgn jml
cacing di dlm hospesSkolek bulat kecil, dgn 4 batil isap &
rostellum pendek & berkait-kait
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Bgn leher pjg & halusStrobila dimulai dgn proglotid immatur (sangt
pendek & sempit), lebih kedistal lebih lebar & luas.
Ujung distal strobila membulatTelur keluar bersama proglotid yg hancur,
berbentuk lonjong (30-47 µ)
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H. nana
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Proglotid H. nana
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Patologi dan Gejala Klinis
Cara infeksi :Tertelan telur Autoinfeksi interna
Umumnya tanpa gejalaJumlah cacing yang besar iritasi mukosa Yang sering timbul toksemia umumInfeksi berat pada anak kecil keluhan
neurologi yang gawat.
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Diagnosis
Menemukan telur dalam tinja
Pengobatan : Atabrine, bitionol, prazikuantel dan niklosamid.
Epidemiologi : Sering pada anak-anak < 15 tahunKontaminasi dengan tinja tikus
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(Rat tapeworm)
Hymenolepis diminuta
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Hymenolepis diminutaHospes : Tikus dan manusiaPenyakit : himenolepiasis diminutaPenyebaran : kosmopolitPatologi dan gejala klinis : tanpa gejala, infeksi
kebetulan >>> menelan cistiserkoid (dlm serangga)
Diagnosis :Menemukan telur dalam tinjaKadang-kadang cacing dapat keluar spontan setelah purgasi.
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Life cycle and Morphology
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Morfologi H.diminuta
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Hymenolepis nana dan H. diminuta
H. Nana H. diminuta
Panjang 25 – 40 mm 20 – 60 cm
Skoleks Rostelum + kait Rostelum tanpa kait
Telur Lonjong, 30-47µMempunyai 4-8 filamen pada kedua kutub
Agak bulat,60-79 µTanpa filamen.
Hospes perantara
- Pinjal tikus, kumbang tepung,
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Perbandingan morfologi H. nana & H. diminuta