Hypospadias refers to the abnormal location of the urinary opening.  It can be either congenital, or the result of a surgical (Iatrogenic) mistake during circumcision (see photo below). 

Keratinization is a specific term implying the formation of keratin.

A thong worn by athletes in the classical Greek gymnasium around the acroposthion to ensure that the glans remained concealed. (Its exposure would have been offensive.) If their circumcision was not too radical (pariah), Jews could use the kynodesme to conceal it.

Of the meatus.