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erection
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erection /erec·tion/ (e-rek´shun) the condition of being rigid and elevated, as erectile tissue when filled with blood.
e·rec·tion (-rkshn)
n.
1. The firm and enlarged condition of a body organ or part when the erectile tissue surrounding it becomes filled with blood, especially such a condition of the penis or clitoris.
2. The process of filling with blood.
erection
the condition of becoming rigid and elevated, as erectile tissue when filled with blood; applied especially to the swelling and rigidity that occur in the penis as a result of sexual or other types of stimulation. Impulses received by the nervous system stimulate a flow of blood from the arteries leading to the penis, where the erectile tissue fills with blood, and the penis becomes firm and erect. Erection makes possible the transmission of semen into the body of the female. See reproduction.
persistent erection
see priapism.
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