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Property Organism Value Units ID Details
Biophysical and physiological parameters used in simulations (squid axon and mammalian pyramidal cell) Metazoa animals Table - link N/A 109242 Faisal AA, White JA,...
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...
Mean velocity of movement of axoplasmic organelles along purified microtubules Squid Loligo pealeii 1.42 µm/sec 112233 Vale RD, Schnapp BJ, Reese TS...
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...
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...
Propagation speed of action potential Various <=1 unmyelinated axon: 50 to 100 myelinated axon m/sec 107125 Zalc B. The acquisition...
Impulse conduction velocity, fastest known in the invertebrate (and vertebrate) system Kuruma shrimp Marsupenaeus japonicus 90 - 210 m/sec 110502 Kusano K, LaVail MM....
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...
Diameter of smallest axons in the central nervous system Metazoa animals ~0.1 µm 110608 Harvey A. Swadlow and...
Number of transmitter release sites in each bouton in larvae Fruit fly Drosophila melanogaster ≤50 Release sites 108867 Peled ES, Isacoff EY....
Length of neuron from base of spine to big toe-longest cell in human body Human Homo sapiens ~ (≤1) meter 104901 Fletcher DA, Theriot...
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...
Summed length of dendrites of a hippocampal pyramidal neuron Rat Rattus norvegicus ~20,000 µm 111660 Jensen CS, Rasmussen HB...
Composition of myelin Metazoa animals lipids 70 - 80: protein 20 - 30 % 114494 Hildebrand C, Remahl S...
Parameter values of the model MSO (medial superior olive) neuron in each compartment Mongolian gerbil Meriones unguiculatus Table - link N/A 112330 Brughera A, Dunai L,...
g-ratio (inner diameter of myelin sheath/outer diameter) Metazoa animals ~0.6 unitless 110610 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...
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...
Speed of axonal destruction during Wallerian degeneration Mammals 10 to 24 mm/hour 106795 Rotshenker S. Wallerian...