Look up fascicle in Wiktionary, the free dictionary.

A fascicle is a bundle or a cluster. The Latin term fasciculus (plural fasciculi) may also be used with the same meanings.

Fascicle or fasciculus may refer to:

In anatomy

• Muscle fascicle, a bundle of skeletal muscle fibers surrounded by connective tissue.
• Nerve fascicle, a bundle of axons (nerve fibers) enclosed by the perineurium.
  • Superior longitudinal fasciculus
    • Arcuate fasciculus
  • Dorsal longitudinal fasciculus
  • Medial longitudinal fasciculus
  • Flechsig's fasciculus

In botany

• A cluster of flowers or leaves, such as the bundles of the thin leaves (or needles) of pines.
• A discrete bundle of vascular tissue.

Other uses

• Fasciculus (ctenophore), a fossil invertebrate genus.
• A discrete section of a book issued or published separately.

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