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Nonsensory target-dependent organization of piriform cortex | PNAS

In the intricate lexicon of anatomy and geometry, nature frequently favors specific templates. One of the most ubiquitous and structurally significant of these templates is the "piriform" shape. Derived from the Latin words pirum (pear) and forma (shape), the term describes any structure that tapers from a broad, rounded base to a narrower neck or stem. While the word itself may seem esoteric to the layperson, the piriform shape is a fundamental architectural concept that appears throughout the human body, influencing biomechanics, neuroanatomy, and surgical terminology. piriform

The piriform cortex (PCX) is the largest component of the olfactory cortex and is thought to be the site of odor object formation. piriform