Physiologic differences between infants, children and adults. I. Central Nervous System. Myelination of nerve fibers incomplete in newborn, muscle tone and reflexes are different (rooting/suckling reflex etc.), cerebral cortex less developed. Pain threshold of young children is lower than that of older children or adults because of more nerve endings/cm2 and immature inhibitory pathways. Infant skull much less rigid than adult; can estimate ICP by palpation of fontanelle. Autoregulation of CBF impaired in the sick newborn.
The 2016 Artesia, New Mexico, population is 12,036. There are 1,211 people per square mile (population density).
Santiago, the capital, is the largest city. The city/urban population is 308,000, but the Santiago Metropolitan Region has more than 6 million inhabitants, representing the most populated and most densely populated region in Chile.he official 2012 estimate placed Chile's population at 17.4 million. Chile's population is estimated to have grown in 2013 to 17,643,916, and in 2015 to 17.9 million, which makes it the 61st most populous country on earth.