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College of Life Sciences Cell Biology and Physiology
CELL 325: Tissue Biology
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Male Reproductive

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Testis 4X.jpg
Testis 4X
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Testis 10X
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Seminiferous tubules
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Seminiferous tubules 20X
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Seminiferous tubules 40X
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Epididymis 4X
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Epididymis 20X
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Epididymis 40X
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Vas Deferens 4X
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Vas Deferens 20X
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Vas Deferens 40X
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Prostate Gland 4X
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Prostate 20X
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Penis 4X
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image_94-1_4X_Penis
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Testis

  • A: Seminiferous tubules where spermatogenesis occurs

    B: Epididymis is located adjacent to the seminiferous tubules and is lined with stereociliated pseudostratified columnar epithelium

    C: Tunica albuginea is a DCCTRA capsule that surrounds the seminiferous tubules
  • A: Semiferous tubules

    B: Tunica abulginea

    C: Epididymis

Seminiferous Tubules

  • A: Interstitial or leydig cells produce testosterone when acted upon by luteinizing hormone. They are found between the seminiferous tubules

    B: Spermatogenic epithelium

    C: Arteries
  • A: Seminiferous tubules

    B: Leydig cells
  • A: Spermatagonia are the stem cells that are located at the basement membrane

    B: Primary spermatocytes are the largest of cells seen in the seminiferous tubules. Their threads of chromatin a visible within the nucleus

    C: Secondary spermatocytes are much smaller than the primary spermatocytes because they have gone through the first meiotic division and are now two daughter cells

    D: Spermatids are even smaller after they have gone through the 2nd meiotic division. Their nuclei begin to take a pointed shape.

    E: Sertoli cells give support and control sperm growth

Epididymis

  • A: Stereociliated pseudostratified columnar epithelium lines the inside of the epididymis.

    B: Spermatazoa are visible in the lumen of the epididymis.
  • A: Stereociliated pseudostratified columnar epithelium

    B: Sea of spermatozoa fills the lumen of the epididymis
  • A: Stereociliated Pseudostratified columnar epithelium

    B: Completely mature sperm: spermatazoa

Vas Deferens

  • A: Stereociliated pseudostratified columnar epithelium lines the inside of the vas deferens

    B: Three muscle layers of the vas deferens
  • A: Stereociliated pseudostratified columnar epithelium. The epithelium contains less and less stereocilia the father away it gets from the epididymis.

    B: Three muscle layers surround the outside of the vas deferens to aid in propulsion of the ejaculate
  • A: Stereociliated pseudostratified columnar epithelium

    B: Muscularis externa

Prostate Gland

  • A: Prostatic urethra goes through the prostate and is lined with transitional epithelium

    B: Prostate gland epithelium. Secretory columnar cells
  • A: Secretory columnar cells

    B: Small beads of secretion

Penis and Urethra

  • A: Corpora Cavernosa is erectile tissue that is surrounded by a tunica albuginea capsule and the two sections are separated by a medial septum DCCTRA.

    B: Medial Septum separates corpora cavernosa and corpus spongiosum.

    C: Corpus spongiosum surrounds the urethra and is also erectile tissue.

    D: Urethra is lined by transitional epithelium

Reproductive

Male Reproductive
Female Reproductive
Reproductive/ Renal Review