⋆｡˚ ☁︎ ˚｡⋆｡˚☽˚｡⋆⚗️An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis⋆｡˚ ☁︎ ˚｡⋆｡˚☽˚｡⋆
 becomes firm,⚗️ engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, ⚗️vascular, and endocrine factors, 
and is often associated with sexual arousal,⋆｡˚ ☁︎ ˚｡⋆｡˚☽˚｡⋆ sexual attraction or libido, 
although erections can also be spontaneous. 
The shape, angle, 
and direction of an erection vary considerably between humans⋆｡˚ ☁︎ ˚｡⋆｡˚☽˚｡⋆.

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