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anterior–posterior development gradient

the more rapid growth of the head region compared with posterior areas of the body during fetal development. In the early embryonic stages, the head and brain make up half of the body mass, and at birth the head represents one quarter of the infant’s total height. See cephalocaudal.

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Psychology term of the day

July 27th 2024

peduncle

peduncle

n. a stalklike bundle of nerve fibers, such as the cerebellar peduncle or the cerebral peduncle. —peduncular adj.