Through eons of time, and the mutations brought by time, awareness of self and surroundings grew into awareness of wider Peripheries, to sensing their world, its structure, its nature.
"Eight Keys to Eden"
Mark Irvin Clifton
The two hearts being distinct, and the main vessels arising from each respectively being distinct likewise, it follows that the capillary Peripheries of these vessels form the only channels through which the blood issuing from one heart can enter the other.
"Surgical Anatomy"
Joseph Maclise