External urethral orifice (male)
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| External urethral orifice (male) | |
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| Structure of the penis. | |
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| Male urethra. | |
| Latin | orificium urethræ externum |
| Gray's | subject #256 1235 |
| Dorlands/Elsevier | o_06/12596415 |
The external urethral orifice is the most contracted part of the urethra; it is a vertical slit, about 6 mm. long, bounded on either side by two small labia.
[edit] Additional images
 Median sagittal section of male pelvis. |
[edit] External links
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Scrotum : layers (skin, Dartos, External spermatic fascia, Cremaster, Internal spermatic fascia) - Perineal raphe - Spermatic cord
Testes: layers (Tunica vaginalis, Tunica albuginea), Appendix, Mediastinum, Lobules, Septa, Leydig cell, Sertoli cell, Blood-testis barrier
Spermatogenesis: Spermatogonium, Spermatocytogenesis, Spermatocyte, Spermatidogenesis, Spermatid, Spermiogenesis, Spermatozoon
seminal tract: Seminiferous tubules (Tubuli seminiferi recti, Rete testis, Efferent ducts) - Epididymis (Appendix) - Vas deferens - Ejaculatory duct Seminal colliculus
urinary tract: Internal urethral orifice - Urethra (Prostatic, Intermediate, Spongy) - Urethral crest - Urethral gland - External urethral orifice
Penis: Corpus cavernosum - Corpus spongiosum - Navicular fossa of male urethra - Glans penis - Fundiform ligament - Suspensory ligament - Foreskin - Frenulum
accessory glands: Seminal vesicles (Excretory duct of seminal gland) - Prostate (Prostatic utricle, Prostatic sinus) - Bulbourethral glands
