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GAMETOGENESIS

GAMETOGENESIS. CICILIA NOVI PRIMIANI. SPERMATOGENESIS. Germinal epithelium of the testicle. 1 basal lamina , 2 spermatogonia , 3 spermatocyte 1st order, 4 spermatocyte 2nd order, 5 spermatid , 6 mature spermatid, 7 Sertoli cell , 8 tight junction ( blood testis barrier ). OOGENESIS.

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GAMETOGENESIS

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  1. GAMETOGENESIS CICILIA NOVI PRIMIANI

  2. SPERMATOGENESIS

  3. Germinal epithelium of the testicle. 1 basal lamina, 2 spermatogonia, 3 spermatocyte 1st order, 4 spermatocyte 2nd order, 5 spermatid, 6 mature spermatid, 7 Sertoli cell, 8 tight junction (blood testis barrier)

  4. OOGENESIS

  5. Oogonium —(Oocytogenesis)—> Primary Oocyte —(Meiosis I)—> First Polar Body (Discarded afterward) + Secondary oocyte —(Meiosis II)—> Second Polar Body (Discarded afterward) + Ovum

  6. Upayamanipulasifolikulogenesis yang menyebabkanpeningkatanjumlahovulasiatau yang disebutinduksisuperovulasidiketahuisebagaisalahsatuteknikdalamartificialreproduksi. Tujuandariinduksisuperovulasiiniuntukmeningkatkanjumlahseltelur yang siapdibuahi. Dalamaplikasidibidangpeternakandapatdigunakanuntukpemenuhankebutuhanpangan. Tekniksuperovulasiadabeberapamacam, yang kamilakukandalampenelitianiniadalahdenganpenggunaanhormonyaituHuman Chorionic Gonadotropine (hCG) danPregnant Mare Serum Gonadotropine (PMSG) pada 6 mencitbetina. Tigabelas jam sebelumharipembedahandiberikansuntikanhCGsebanyak 5 IU dan 46 jam sebelumharipembedahandiberikan PMSG sebanyak 5 IU. Pembedahandilakukanuntukmengisolasioviductdanmengeluarkanoositdidalamnya. Teknikisolasioositjugadapatdilakukandenganteknikaspirasi, padapercobaaninikamilakukanpadaovariumkambingbetina yang berukuranrelatiflebihbesar.

  7. Human ovum examined fresh in the liquor folliculi. The zonapellucida is seen as a thick clear girdle surrounded by the cells of the corona radiata.The egg itself shows a central granular deutoplasmic area and a peripheral clear layer, and encloses the germinal vesicle, in which is seen the germinal spot.

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