Balanus

GLANS, in anatomy, the anterior extremity of the penis, called by other different names, as the head of the penis, the nut of the penis, and the balanus of the penis.

There is both a local and a general predisposition to Lues Venerea: Jews and Mahometans, from the constant exposure of the glans and prepuce, have the cuticle of the balanus of much firmer texture than those who have not been circumcised.

[...] and stretches into the balanus of the penis.