Anatomy
·Pelvis & Perineum
Penis & Erectile Tissue
⭐ PREMIUM
The penis has three erectile columns; its nerve/blood supply underlie erection and the autonomic "point-and-shoot" rule.
STRUCTURE
• Two corpora cavernosa (dorsal; crura anchor to the ischiopubic rami) + one corpus spongiosum (ventral; contains the spongy urethra, expands as the glans + bulb).
• Deep fascia (Buck's) surrounds them.
NEUROVASCULAR — high-yield ("Point and Shoot")
• Erection: P…
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