Results
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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... |