Fascicle or ''fasciculus'' may refer to:

Anatomy and histology

Muscle fascicle A muscle fascicle is a bundle of skeletal muscle fibers surrounded by perimysium, a type of connective tissue. Structure Muscle cells are grouped into muscle fascicles by enveloping perimysium connective tissue. Fascicles are bundled toge ...

, a bundle of skeletal muscle fibers *

Nerve fascicle A nerve fascicle is a bundle of nerve fibers belonging to a nerve in the peripheral nervous system. A nerve fascicle is also called a fasciculus, as is a nerve tract in the central nervous system. A nerve fascicle is enclosed by perineurium, a l ...

, a bundle of axons (nerve fibers) ** Superior longitudinal fasciculus ***

Arcuate fasciculus In neuroanatomy, the arcuate fasciculus (AF; ) is a bundle of axons that generally connects Broca's area and Wernicke's area in the brain. It is an association fiber tract connecting caudal temporal lobe and inferior frontal lobe. Structure ...

** Gracile fasciculus ** Cuneate fasciculus **

Dorsal longitudinal fasciculus The dorsal longitudinal fasciculus (DLF) is a distinctive nerve tract in the midbrain. It extends from the hypothalamus rostrally to the spinal cord caudally, and contains both descending and ascending fibers. Descending fibers arise in the hyp ...

Medial longitudinal fasciculus The medial longitudinal fasciculus (MLF) is a prominent bundle of nerve fibres which pass within the ventral/anterior portion of periaqueductal gray of the mesencephalon (midbrain). It contains the interstitial nucleus of Cajal, responsible ...

** Flechsig's fasciculus * Fascicular pattern of histopathologic architecture

Botany

Fascicle (botany) In botany, a fascicle is a bundle of leaves or flowers growing crowded together; alternatively the term might refer to the vascular tissues that supply such an organ with nutrients.Shashtri, Varun. Dictionary of Botany. Publisher: Isha Books 2005 ...

, a cluster of flowers or leaves, such as the bundles of the thin leaves (or needles) of pines * A discrete bundle of

vascular tissue Vascular tissue is a complex transporting tissue, formed of more than one cell type, found in vascular plants. The primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and nutrients internally. T ...

Other uses

* ''

Fasciculus ''Fasciculus vesanus'' is an extinct species of stem-group ctenophores known from the Burgess Shale of British Columbia, Canada. It is dated to and belongs to middle Cambrian strata. The species is remarkable for its two sets of long and sho ...

'', a fossil comb jelly * ''

Fasciculus Chemicus ''Fasciculus Chemicus'' or ''Chymical Collections. Expressing the Ingress, Progress, and Egress, of the Secret Hermetick Science out of the choicest and most famous authors'' is an anthology of alchemical writings compiled by Arthur Dee (1579� ...

'', a 17th-century anthology of alchemical writings *

Fascicle (book) In literature, a serial is a printing or publishing format by which a single larger work, often a work of narrative fiction, is published in smaller, sequential instalments. The instalments are also known as ''numbers'', ''parts'', ''fascicu ...

, a discrete section of a larger book or other published work issued in serial form {{disambiguation