Bulb of penis
The constituent cavernous cylinders of the penis. (Bulb labeled at bottom center.)
Vertical section of bladder, penis, and urethra. (Bulb visible at bottom center.)
Details
Arteryartery of bulb of penis
Veinvein of bulb of penis
Lymphsuperficial inguinal lymph nodes
Identifiers
Latinbulbus penis
TA98A09.4.01.016
TA23685
FMA19614
Anatomical terminology

The bulb of penis is the proximal/posterior end of the (unpaired median) corpus spongiosum. Together with the two crura (one crus on each side of the bulb), it constitutes the root of the penis.[1]

Proximally/posteriorly, the bulb of penis extends towards the perineal body. The bulb exhibits a slight yet palpable midline notch upon its inferior aspect.[1]

The male urethra enters the penis at the superior aspect of the anterior part of the bulb (most of the bulb is thus situated inferoposteriorly to the urethra), and the arteries of bulb of penis enter near the urethra.[1]

The bulb of penis is homologous to the vestibular bulbs in females.[2]

Additional images

References

  1. 1 2 3 Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). p. 319. ISBN 978-0-7295-3752-0.
  2. Clemente, Carmine D. (2010). Clemente's Anatomy Dissector: Guides to Individual Dissections in Human Anatomy with Brief Relevant Clinical Notes (applicable for Most Curricula). Wolters Kluwer/Lippincott Williams & Wilkins Health. p. 205. ISBN 978-1-60831-384-6. Retrieved September 29, 2023.
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