| mamillotegmental fasciculus | A small bundle of fibres that passes dorsalward from the mamillary body for a short distance with the mamillothalamic tract, then turns down the brainstem to reach the dorsal and ventral tegmental nuclei of the mesencephalon. Synonym: fasciculus mamillotegmentalis. (05 Mar 2000) |
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| muscle fascicle | A bundle of muscle fibres surrounded by perimysium. (05 Mar 2000) |
| nerve fascicle | A bundle of nerve fibres surrounded by perineurium. (05 Mar 2000) |
| fascicle | <anatomy> Literally, a bundle. In particular, this is used to describe the tendency of neurites to grow together (fasciculate). (18 Nov 1997) |