Moore, Keith; Dalley, Arthur (2005). Clinically Oriented Anatomy (5th ed.). LWW. p. 47. ISBN0-7817-3639-0. A bundle of nerve fibers (axons) connecting neighboring or distant nuclei of the CNS is a tract.
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Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). "Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways". Hippocampus. 10 (4): 398–410. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K. PMID10985279. S2CID25432455.
Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). "Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways". Hippocampus. 10 (4): 398–410. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K. PMID10985279. S2CID25432455.
Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). "Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways". Hippocampus. 10 (4): 398–410. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K. PMID10985279. S2CID25432455.