Animal/Dairy Science 434PowerPoint PresentationSlide 3Bull Reproductive TractReproductive Organs of the BullBull TestisBull TractScrotal Cross SectionTestisStructure of the TestisThe TestisSlide 12Spermatic ChordTestis Arterial PulseSlide 15Slide 16Contraction of the Tunica DartosSlide 18Pelvic Genitalia of the BullSlide 20Bulb of the PenisSlide 22Cross Section of Bull PenisPenis Cross SectionArterial SupplyGlans PenisSlide 27Animal/Dairy Science 434 Lec 3: Male Reproductive Tract AnatomyMale Reproductive SystemLEARNING OBJECTIVES:To learn the nomenclature and structures of the male reproductive system. To understand the functions of these structures and how they are interrelated to prove the complete reproductive process in the male.Factory•1-25 X 109 sperm/day•“Plant” must be air conditionedFactory•1-25 X 109 sperm/day•“Plant” must be air conditionedWarehouse and Delivery•Storage 10-50 X 109 sperm•Sperm for 5-10 ejaculates•Smooth muscle contractions upon sexual stimulationWarehouse and Delivery•Storage 10-50 X 109 sperm•Sperm for 5-10 ejaculates•Smooth muscle contractions upon sexual stimulationFinishing School•Fluid Absorption•8-25 X 109 sperm–membrane changes–nuclear & flagellar stabilization–motility, fertility–cytoplasmic droplet translocationFinishing School•Fluid Absorption•8-25 X 109 sperm–membrane changes–nuclear & flagellar stabilization–motility, fertility–cytoplasmic droplet translocationDelivery System•Erection•Protrusion•EjaculationDelivery System•Erection•Protrusion•EjaculationAlterations & Packaging•Metabolic substrates•Surface coatings•Transport for spermAlterations & Packaging•Metabolic substrates•Surface coatings•Transport for spermTestisEpididymisTail of EpididymisAccessory Sex GlandsPenisBull ReproductiveTractReproductive Organs of the BullTestisBull TestisTunica Vaginalis•parietal•visceralTunica AlbugineaBull TractScrotumTestis•Thermosensor•Radiator•Protective sacScrotal Cross Sectiontesticular parenchymamediastinumTestisTesticular ParenchymaMediastinumStructure of the TestisRete Testis(within the mediastinum)Tunica AlbugineaSeminiferous TubuleThe TestisMediastinumSeminiferousTubuleRete TestisStructure of the TestisRete Testis(within the mediastinum)Tunica AlbugineaVas Efferentia6-12 tubulesCaput EpididymisCauda EpididymisCorpusEpididymisSeminiferous TubuleVas DeferensSpermatic Cord•VasectomyPampiniformPlexusTesticularArterySpermatic ChordPampiniform Plexus•Counter Current Exchange39°C - 34°C70 ng T/ml - 4.8 ng T/ml•Vascular, lymphatic and nerves•Heat exchanger•Houses cremaster muscleTestis Arterial PulseSpermatic ChordParietal Tunica VaginalisCremaster MuscleVas DeferensPampiniform PlexusBull TractScrotumTestisTunica DartosContraction of the Tunica DartosTunica Dartos •Smooth muscle•Androgen dependent(Testosterone)TestisBull TractScrotumTestisTunica DartosPelvic GenitaliaSpermatic ChordPampiniform PlexusEpididymusGubernaculumPelvic Genitalia of the BullPelvic UrethraMuscleBulb of the PenisReproductive Organs of the BullCowpers GlandCaput EpididymisCauda EpididymisTestisScrotumGlansPenisBladderAmpullaSeminal VesiclesProstateRectumVas DeferensGubernaculumSigmoidFlexureRetractor PenisMuscleCross Section of Bull PenisPenis Cross SectionArterial SupplyGlans PenisGlans PenisGlans
View Full Document
Unlocking...