part_of starts_at ends_at genital tubercle of male preputial swelling of male anatomical_structure EMAPA:29220 preputial fold of male early prepuce of male The preputial swelling of male (pps) (syn: preputial fold of male, early prepuce of male) (TS:21-TS:23). Two lateral swellings develop on the sides of the genital tubercle at TS:21 and grow medially and ventrally. These swellings enclose the preputial glands. Comprised of skin of male preputial swelling, preputial gland of male, and mesenchyme of male preputial swelling. At TS:24, when the two preputial swellings join/fuse together at the ventral midline of the genital tubercle of male, they become the prepuce of male. preputial swelling TS21 TS23