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A fascicle is a small bundle, most commonly referring to a tight cluster of plant parts, such as leaves or flowers. The term originates from the Latin word fascis, meaning "bundle". In anatomy, a fascicle can also describe a slender bundle of fibers, like those found in muscles or nerves, also known as a fasciculus. Additionally, in publishing, a fascicle is one installment of a larger work. The adjective form is "fascicled". Fascicular tissue specifically refers to vascular tissue.12

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