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a·ton·ic im·po·tence(ā-ton'ik im'pŏ-tĕns)
Physiologic dysfunction that makes male erection impossible due to neurologic or muscular conditions, rather than psychological factors.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Impotence resulting from paralysis of nerves supplying the penis.
See also: impotence
Medical Dictionary, © 2009 Farlex and Partners