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→Morphology: Wikify.
|date=1995
|accessdate=
}}</ref> The human prepuce has an increase in corpuscular innervation and concomitant decrease in corpuscular receptors in the human [[glans ]] compared to the prepuce and glans of lower primates, demonstrating an evolutionary advancement.<ref>{{REFjournal
|last=Nadler
|first=Ronald D.
}}</ref> The rapid divergence in external genital anatomy between humans and ancestral apes is thought to have occurred in the last seven million years.<ref name="cold-mcgrath"/>
The external genitalia of primates are marked by an astounding variety of specialized structures, but over the past 65 million years, the [[prepuce ]] has not only withstood the test of time, it has also evolved in its complexity. The survival and further development of the human penile prepuce in the face of the extraordinarily rapid evolution of humans over the last 7 to 9 million years is particularly noteworthy, especially against the background of a fourfold increase in penile size.<ref name="Diamond"/>
=== Comparative anatomy ===