Histology slides of penis

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Small Moodle icon links appearing below on this page go directly to the Lab Slide. Slides: Female Male Placenta. They are stem cells which divide to form new generations of both type A and type B spermatogonia.

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From the perspective of histology, the most remarkable feature of the penis is its core of erectile tissue. Erectile tissue contains a specialized arrangement of arteries, shunts, and venous sinusoids within a matrix of connective tissue and smooth muscle, forming "a highly structured criss-crossing of interconnected fibers and spaces that are tensed as the cylinder expands during erection. This creates an internal strength and rigidity that is far greater than that possible in a hollow tube filled to equivalent pressure" Barreto, Caballer, and Cubilla, in Sternberg's Histology for Pathologists, 2nd.

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Examine these slide at low power first to find the field which best demonstrates the listed features. Label the indicated features, and briefly describe their functions. And another labeled testis with tunica albugenia.

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NCBI Bookshelf. Nathan Stoddard ; Stephen W. Authors Nathan Stoddard 1 ; Stephen W.

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Male Reproductive System. Identify the seminiferous tubules of the testis and distinguish the stages of spermatogenesis. Identify the Sertoli and Leydig cells and understand their functions.

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Spotlight On Click here for issue 1, featuring our GI editor Dr. Raul Gonzalez. Cubilla, M.

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