Ischiocavernosus
The structure indicated is the ischiocavernosus muscle.
The ischiocavernosus muscle is one of three pairs of muscles in the superficial perineal pouch:
- Ischiocavernosus
- Bulbospongiosus
- Superficial transverse perineal muscles
It originates from the inner aspect of the ischiopubic ramus and attaches on either side to the crura of the penis and clitoris.
Origin: Ischiopubic ramus – internal aspect
Insertion: Crus of penis and clitoris
Action: Stabilise erect penis
Innervation: Pudendal nerve
Learn more about the pelvic floor in this tutorial
