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Lamina propria

Lamina propria. Dense collagenous fibers. Fibroblasts. Venules and arterioles. Lymphocytes. Lamina propria. Muscularis. Outer longitudinal layer. Middle circular layer. Inner longitudinal and oblique layer. Lymphatic capillaries plexus. . Muscularis. Male urethra. Prostatic part

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Lamina propria

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  1. Lamina propria Dense collagenous fibers. Fibroblasts. Venules and arterioles. Lymphocytes.

  2. Lamina propria

  3. Muscularis • Outer longitudinal layer. • Middle circular layer. • Inner longitudinal and oblique layer. • Lymphatic capillaries plexus.

  4. Muscularis

  5. Male urethra • Prostatic part • Membranous part • Penile or spongy part

  6. Male urethra

  7. Epithelium of the Urethra • Prostatic part  Transitional. • Membranous part  Pseudostratified or Stratified columnar. • Penile part 1.Pseudostratified columnar ( up to fossa navicularis ) 2. Stratified squamous. ( Terminal 6 to 7 mm. ) 3. Thin lamina propria

  8. Penile Urethra

  9. Bulbourethral Gland • Compound tubuloacinar gland.

  10. Female Urethra

  11. Mucosa • Longitudinal mucosal folds • Transitional epithelium • Stratified squamous epithelium. ( Terminal part )

  12. Female Urethra

  13. Lamina propria • Loose connective tissue with abundant elastic fibers. • Venous plexus • Muscularis Inner longitudinal layer Outer circular layer

  14. Female urethra

  15. Female Urethra

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