Penis, inflammation of the head of the: Inflammation of the rounded head (the glans) of the penis is called balanitis.

In the uncircumcised male, balanitis and posthitis (inflammation of the foreskin) usually occur together as balanoposthitis: inflammation of both the glans and foreskin.

Circumcision prevents balanoposthitis. Without a foreskin, there can of course be no posthitis and hence no balanoposthitis.