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Property Organism Value Units ID Details
Water as percentage of the total wet weight in an axon Unspecified 87 % 100470 "Cell movements - from...
Velocity of action potential in claw nerve axons Crayfish Cambarus fast-closer axon 20: slow-closer axon 10: opener axon 8 m/s 108963 Bullock TH, Horridge...
Percent of axoplasm that is protein Eukaryotes ~2 % 108996 Fulton AB. How crowded...
Number and size of synapses and active zone dense bars of axons 1 and 2 in serial sections of larval abdominal muscles 6 and 7 Fruit fly Drosophila melanogaster Table - link N/A 107577 Renger JJ, Ueda A, Atwood HL...
Speed of axonal destruction during Wallerian degeneration Mammals 10 to 24 mm/hour 106795 Rotshenker S. Wallerian...
Speed of action potential along non-myelinated invertebrate axons of ~10μm diameter Various ≤1 m/sec 108981 Zalc B, Goujet D, Colman...
Propagation speed of action potential Various <=1 unmyelinated axon: 50 to 100 myelinated axon m/sec 107125 Zalc B. The acquisition...
Axonal action potential properties from recent studies of cell types in three major brain regions Mammals Table - link N/A 111176 Kress GJ, Mennerick S....
Number of compacted lamellae in mature central nervous system (CNS) myelin sheath vertebrates ≤160 compacted lamellae 114492 Hildebrand C, Remahl S...
Fast axonal transport in dorsal root ganglion cell Cat ≤5µm/sec (equivalent to ≤432mm/day) N/A 112232 Vale RD, Schnapp BJ, Reese TS...
Mean velocity of movement of axoplasmic organelles along purified microtubules Squid Loligo pealeii 1.42 µm/sec 112233 Vale RD, Schnapp BJ, Reese TS...
Number of transmitter release sites in each bouton in larvae Fruit fly Drosophila melanogaster ≤50 Release sites 108867 Peled ES, Isacoff EY....
Activation energy of the dynein motor protein in dorsal root ganglia Rat Rattus norvegicus 22.5 (±0.6) kcal/mol 114858 Kai Zhang et al., Si...
Fraction of white matter of central nervous system (CNS) that is myelin on a dry weight basis Mammals 50 - 60 % 114484 Hildebrand C, Remahl S...
Velocity of action potential in leg nerve isolated axons at 21°C Crab Carcinus 3 to 4 m/s 108962 Bullock TH, Horridge...
Values for axonal conduction times and velocities for select axonal pathways in several mammalian species Mammals Table - link m/sec 110613 Harvey A. Swadlow and...
Conduction delays in the mammalian nervous system Mammals very short axons <100 µsec: very long non-myelinated central axons >100 ms N/A 110606 Harvey A. Swadlow and...
Fast and slow axonal transport Mammals fast anterograde 250–400 mm/day: slow ~1 mm/day mm/day 113074 Scott T. Brady, George...
Diameter of myelinated and unmyelinated axons in central nervous system (CNS) (but size spectra of myelinated and unmyelinated axons overlap considerably) Metazoa animals myelinated 0.2: unmyelinated ≤0.8 µm 114487 Hildebrand C, Remahl S...
Fraction of protein in Slow Component b (SCb) of axonal transport that is actin Unspecified 5–10 % 113076 Scott T. Brady, George...