This is perfectly normal for about the first 2 to 6 years. By around the age of 2, the foreskin should start to separate naturally from the glans. The foreskin of some boys can take longer to separate, but this does not mean there's a problem – it'll just detach at a later stage.
People born without a corpus callosum face many challenges. Some have other brain malformations as well—and as a result individuals can exhibit a range of behavioral and cognitive outcomes, from severe cognitive deficits to mild learning delays.
The integumentary system is composed of skin and other appendices such as nails and hairs. In the integumentary system there are several connections with the endocrine system.