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Published byFlora Curtis Modified over 9 years ago
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The Male Reproductive System
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The Testis Spermatogensis and spermiogenesis
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Low Magnification of the entire testis TA – Tunica Albuginea E – Epididymis RT – Rete Testis
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Low magnification of seminiferous tubules and interstitial cells
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Seminiferous Tubules Primary Spermatocytes Sperm Spermatids Sperm
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Seminiferous Tubules Sertoli Cells Spermatogonia
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Seminiferous Tubule Primary spermatocytes Spermatids Arrow – sertoli cell Sperm
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SEM of a seminiferous tubule Sg, spermatogonia; Sc, spermatocytes; Se, Sertoli cells; Ta, sperm tails
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Diagram of Spermiogenesis
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TEM of developing sperm embedded in a sertoli cell Sertoli Cell
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TEM of developing sperm head AC – acrosome; PM – plasma membrane
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TEM of developing sperm midpiece Mi – mitochondria; He – head; Cp – centriole; Cf/Pf – microtubules of flagellum
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TEM of crossections through sperm tails Note the 9 + 2 arrangement of microtubules
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SEM of a mature sperm cell
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The Testis Sertoli Cells and Interstitial Cells
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Seminiferous tubules with Sertoli Cells (Arrows)
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TEM of sertoli cells (S and St labeled cells)
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Interstitial or Leydig Cells (arrows)
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Leydig Cells
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Male Tubular System
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Low magnification – The entire testis Epididymis Seminiferous tubules Rete Testis
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Low maginfication of the Rete Testis Ductili Efferentes
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Ductili Efferentes Ductus Epididymis
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The Epididymis – pseudostratified with stereo cilia Smooth Muscle
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The Ductus Deferens or Vas Deferens Smooth Muscle
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SEM of the Vas Deferens Ep – epithelium; LP – lamina propria; SM – smooth muscle; Ad - adventitia
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Lining of the Vas Deferens Pseudostartified columnar with stereo cilia
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Low magnification of the Spermatic Cord with the Ductus Deferens (DD)
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Associated Glands
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Low magnification of the entire Seminal Vesicle
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Seminal Vesicle Smooth Muscle
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Epithelial lining of the Seminal Vesicle
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Low magnification of the Prostate Gland
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Low magnification of the Prostate Gland with concretions
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High magnification of the Prostate Gland with concretions
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The Penis
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