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

Nerve fascicle, a bundle of axons (nerve fibers)

---

Anterior commissure

---

Arcuate fasciculus (AF)

---

Cerebral peduncle

---

Corpus callosum

---

Corticospinal tract

---

Corticostriatal fascicle

---

Cuneate fasciculus

---

Dorsal longitudinal fasciculus

---

Frontal aslant tract (FAT)

---

Gracile fasciculus

---

Inferior fronto-occipital fasciculus (IFOF)

---

Inferior longitudinal fasciculus —- Medial longitudinal fasciculus

---

Occipitofrontal fasciculus

---

Optic tract

---

the third branch of the Superior longitudinal fasciculus (SLF-III)

---

Thalamocortical radiations

---

Uncinate fasciculus (UF)

Mesocortical pathway

Mesolimbic pathway

Nigrostriatal pathway

Tuberoinfundibular pathway