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CHAPTER 19 - MALE REPRODUCTIVE SYSTEM
Histology Guide
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MICROSCOPE SLIDE

SLIDE NAME
MH 184 Penis
TISSUE
Penis
(human)
STAIN
Hematoxylin & Eosin
FIXATIVE
Bouin's Solution
IMAGE SIZE
55,340 x 39,864 pixels
8.2 GB
FILE SIZE
418 MB
OBJECTIVE
40x
PIXEL SIZE
0.3171 µm
SOURCE
Department of Genetics, Cell Biology, and Development
School of Medicine
University of Minnesota
Minneapolis, MN

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Robert L. Sorenson, Ph.D.

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University of Minnesota
Department of Genetics, Cell Biology and Development
6-160 Jackson Hall
321 Church St SE
Minneapolis, MN 55455

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MH 184 Penis

Penis

The penis is composed of three columns of erectile tissue bound together by the tunica albuginea.

  • - sheath of dense irregular connective tissue that the erectile bodies.
  • Corpora Cavernosum (,) - a pair of vascular channels located dorsally within the penis.
    • Walls and consist of connective tissue and smooth muscle.
      • - abundant in trabeculae and relaxes during erection.
      • Helicine Arteries (,) - normally coiled, but straighten and dilate on erection.
    • - labyrinth lined with endothelial cells and become filled with blood during erection.
    • (or Deep Artery of the Penis) - each corpus contains a single, central artery.
  • - located ventrally within the penis.
    • Erectile Tissue - similar in structure to the corpora cavernosum but does not become as turgid on erection.
    • - lined with a pseudostratified columnar .
    • and - secrete a clear mucus on erection.
  • - connective tissue that surrounds the penis with many blood vessels and nerves.
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