The pericardium is a sac of fibrous tissue that surrounds the heart and the roots of the large blood vessels. Visceral pericardium is the inner layer of the pericardium sac.he visceral pericardium is the inner-most layer of the pericardium, and is also known as the Epicardium as it lays upon the heart.
Similarly wobbly views on sex and adolescentsâor rather sex with adolescentsâare on profligate historical display elsewhere. It goes in the opposite direction, too. The age of consent in 1920s Chile was 20, but now it's 16. A century ago in Italy, it was 16, too. But today it's 14 there.
At state level, the minimum ages of consent vary between 12 (and puberty in a few states) and 15, while the age at which there are no restrictions for consensual sexual activities vary from 16 to 18 (most common 18).