penile rigidity


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penile rigidity

The ability of the erect penis to resist bending or buckling forces applied to its long axis. The greater its resistance, the more effectively the penis can penetrate during intercourse.
See also: rigidity
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References in periodicals archive ?
Efficacy was evaluated using RigiScanr, a device that measures penile rigidity and tumescence.
Penile rigidity is best measured axially with a tonometer, since axial rigidity correlates most accurately with the ability to achieve vaginal penetration.