reproduksi laki laki
DESCRIPTION
REPRODUKSI LAKI LAKITRANSCRIPT
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OLEH:OLEH:
NINIK A.SNINIK A.S
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SISTEM REPRODUKSISISTEM REPRODUKSI
• Adalah Adalah SSuu. . rangkaian rangkaian && interaksi organ interaksi organ && zat d zat dlmlmorganisme yg diporganisme yg dip’’gunakan ugunakan u// b b’’kembang kembang biak.biak.
REPRODUKSI???REPRODUKSI???WHY,,,???WHY,,,???
Mempertahankan Mempertahankan keberadaan jenisnya…..keberadaan jenisnya…..
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1.1. OrganOrgan reproduksi d
reproduksi dlmlm
2.2. OOrgan reproduksi luar
rgan reproduksi luar
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Organ Reproduksi Organ Reproduksi DalamDalam
TTerdiri atas erdiri atas ..............................
1.1. TTestisestis
2.2. SSal pengeluaranal pengeluaran
3.3. KKelenjar asesoris.elenjar asesoris.
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TestisTestis1.1. BtkBtk ovaloval 2.2. LetaLetak dik di SSkrotumkrotum..
3.3. Testis bTestis b’’jjmlmlh h 22
4.4. Fungsi Fungsi = = uu// produksi produksi sperma sperma & & hormon hormon testoteron.testoteron.
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ORGAN REPRODUKSI PRIAORGAN REPRODUKSI PRIA
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TTerdiri darierdiri dari ..... .....
1.1. EEpididimispididimis
2.2. VVas deferensas deferens
3.3. SSaluran ejakulasialuran ejakulasi
4.4. UUretra.retra.
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1.1. Adl .....Adl .....salsal. . berkelokberkelok22 di d di dllm skrotum yg m skrotum yg keluar dkeluar drr testis. testis.
2.2. JmlJml sepasang sepasang3.3. FFungsi ungsi ==
Sbg tmpSbg tmpt penyimpanan st penyimpanan sementaraementara sperma sampai sperma msperma sampai sperma mjdjd matang matang && b’b’gerak menuju vas deferens.gerak menuju vas deferens.
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1.1. Adl .....Adl .....
SSalal. . lurus yg mengarah ke atas lurus yg mengarah ke atas && mmrprp lanjutan d lanjutan drr epididimis epididimis
2.2. TdTdk menempel pk menempel pdd testis testis && ujung ujung salsal.nya.nya t t’’ddppt di dt di dlm lm kelenjar kelenjar prostat. prostat.
3.3. FungsiFungsi = =
SSalal.. tmpt tmpt jjlnlnnya sperma dnya sperma drr epididimis epididimis keke vesikula seminalis vesikula seminalis
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1.1. Adl ....Adl ....SSalal.. pendek m pendek m’’hubhub’kan ’kan vesikvesikulaula seminalisseminalis d dg g uretrauretra
2.2. FFungsi ungsi == MMengeluarkan sperma agar mengeluarkan sperma agar msksk ke dalam uretra.ke dalam uretra.
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UretraUretra1.1. Adl.....Adl.....
SSalal.. akhir reproduksi akhir reproduksi ada ada di ddi dlmlm penis.penis.
2.2. FFungsi ungsi == SSalal.. kelamin b kelamin b’’asal dasal drr vesikula vesikula seminalisseminalis && sal sal.. u u// membuang membuang urin urin & sperma & sperma ddrr V.UV.U..
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Kelenjar.AsesorisKelenjar.Asesoris
1.1.VVesikula seminalisesikula seminalis2.2.KKelenjar elenjar PProstat rostat 3.3.KKelenjar Cowperelenjar Cowper
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VesikVesikulaula SSeminaliseminalis (VS)
• VS / Kantung Semen adl....Kelenjar berlekuk2 t’letak di blkg V.U
• Dinding VS m’hslkan zat mknn sbg sumber mknn u/ sperma & mengandung prostaglandin
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Terletak mTerletak mlingkar lingkar di di atas uretraatas uretra & & di b di bwwh h VUVU
• Berfungsi:Berfungsi:- M’hslkan- M’hslkan getah getah ( (kolesterol,garamkolesterol,garam & & fosfolipidfosfolipid)) u u// klangsungn hidup sperma klangsungn hidup sperma
- M- Mengeluarkan cairan basa engeluarkan cairan basa sptspt susu susu yg menetralisir asiditas vaginayg menetralisir asiditas vagina
- - motilitas sperma motilitas sperma
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KelenjarKelenjar CowperCowper ( KC)( KC)
KCKC / Kelenjar/ Kelenjar bulbouretra bulbouretra adl.....adl.....
• SpsgSpsg kelenjar yg kelenjar yg sal. mnuju sal. mnuju llssg g uretrauretra
• BBtk spttk spt kacang polong. kacang polong.
• EkresiEkresi mucusmucus b b’’sifat alkalisifat alkali uu// mlumasi mlumasi && mlindungi sperma mlindungi sperma
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PenisPenis• TddTdd 33 rongga yg berisi ja rongga yg berisi jar.r. Spons Spons
- 2- 2 rongga rongga berupa berupa korpus kavernosakorpus kavernosa
- 1- 1 rongga berupa korpus spongiosum rongga berupa korpus spongiosum
• DDkelilingi okelilingi o// jar jar.. erektil b erektil byykk mngandung mngandung P.DP.D && ujung ujung22 saraf prasa. saraf prasa.
• AAda rangsda rangs. Rongga . Rongga trisi penuh otrisi penuh o// ddrrh h penis tegang penis tegang & & mngembang mngembang
(ereksi)(ereksi)
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SkrotumSkrotum• KKantung yg di dantung yg di dllmny mny
berisi testisberisi testis
• Skrotum spsngSkrotum spsng
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SPERMATOGENESISSPERMATOGENESIS
Spermatosit primerSpermatosit primer
Spermatosit Spermatosit
sekundersekunder
SpermatidSpermatid
SpermatozoaSpermatozoa
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