The Reproductive System: Part A - Next2Eden

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Mechanism and Effects of TestosteroneActivity• Prompts spermatogenesis• Targets all accessory organs; deficiency leadsto atrophy• Has multiple anabolic effects throughout thebody• Is the basis of the sex drive (libido) in malesCopyright © 2010 Pearson Education, Inc.
Male Secondary Sex Characteristics• Features induced in the nonreproductiveorgans by male sex hormones (mainlytestosterone)• Appearance of pubic, axillary, and facial hair• Enhanced growth of the chest and deepeningof the voice• Skin thickens and becomes oily• Bones grow and increase in density• Skeletal muscles increase in size and massCopyright © 2010 Pearson Education, Inc.
Page 1 and 2:
PowerPoint ® Lecture Slidesprepare
Page 3 and 4:
Reproductive System• Sex hormones
Page 6 and 7:
PeritoneumSeminalvesicleAmpulla ofd
Page 8 and 9:
The Scrotum• Temperature is kept
Page 10 and 11: The Testes• Sperm are conveyed th
Page 12 and 13: Blood vesselsand nervesSpermatic co
Page 14: Seminiferoustubule(c)Interstitial c
Page 17 and 18: The Penis• External anatomy inclu
Page 19 and 20: The Male Duct System• Epididymis
Page 21 and 22: Blood vesselsand nervesSpermatic co
Page 24 and 25: UreterAmpulla of ductus deferensUri
Page 26 and 27: Accessory Glands: Prostate• Encir
Page 28 and 29: UreterAmpulla of ductus deferensUri
Page 30 and 31: Semen• Alkalinity neutralizes the
Page 32 and 33: Male Sexual Response• Erection:
Page 34 and 35: Copyright © 2010 Pearson Education
Page 36 and 37: Meiosis• Gamete formation involve
Page 38 and 39: MEIOSIS IIProphase IIMetaphase IIMe
Page 40 and 41: Number ofdivisionsSynapsis ofhomolo
Page 42 and 43: Copyright © 2010 Pearson Education
Page 44 and 45: Mitosis of Spermatogonia• Begins
Page 46 and 47: Meiosis: Spermatocytes to Spermatid
Page 48 and 49: Spermiogenesis: Spermatids to Sperm
Page 50 and 51: Approximately 24 daysGolgiapparatus
Page 52 and 53: Role of Sustentacular Cells• Tigh
Page 54 and 55: Role of Sustentacular Cells• Tigh
Page 56 and 57: HPG Axis1. Hypothalamus releases go
Page 58 and 59: 1Anteriorpituitary82GnRHVia portalb
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The Reproductive System: Part A - Next2Eden

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