Sclerosing lymphangiitis
Encyclopedia
Sclerosing lymphangiitis is a skin condition characterized by a cordlike structure encircling the coronal sulcus of the penis
Penis
The penis is a biological feature of male animals including both vertebrates and invertebrates...

, or running the length of the shaft, that has been attributed to trauma during vigorous sexual play.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK