Results
Click a row for more details
| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Velocity of action potential in giant fiber | Cockroach Periplaneta | 9 to 12 | m/s | 108972 | Bullock TH, Horridge... |
| g-ratio (inner diameter of myelin sheath/outer diameter) | Metazoa animals | ~0.6 | unitless | 110610 | Harvey A. Swadlow and... |
| Fraction of RGCs (retinal ganglion cells) that projects to the ipsilateral hemisphere of the brain | Mammals | mice 3-5%: ferrets ~15%: human ≤~40% | % | 113595 | Kutsarova E, Munz M,... |
| Translocation rate constants and partition coefficients of lipophilic ions in nerve membranes and lipid bilayers | Various | Table - link | N/A | 112593 | P. smejtek, Permeability... |
| Number of neurons and synapses in a cubic millimeter of cortex | Mouse Mus musculus | ~90,000 neurons: ~700,000,000 synapses | 1/mm^3 | 109245 | Faisal AA, White JA,... |
| Diameter of smallest axons in the central nervous system | Metazoa animals | ~0.1 | µm | 110608 | Harvey A. Swadlow and... |
| Velocity of action potential in sciatic nerve single nodal fiber | Frog Rana | 31 | m/s | 108964 | Bullock TH, Horridge... |
| Velocity of action potential in sciatic nerve | Frog Rana | A fibers 14-50: B1 fibers 8-16: B2 fibers 3-4.5: C fibers 0.3-0.8 | m/s | 108965 | Bullock TH, Horridge... |
| By the end of the first postnatal month corticospinal conduction velocities reach | Cat | 12 - 20 | m/sec | 114495 | Hildebrand C, Remahl S... |
| Dendrites, during an action potential, are polarized on average by | Eukaryotes | 50 | mV | 108630 | Attwell D, Laughlin SB.... |
| Number of synapses for a "typical" neuron | Human Homo sapiens | 1000-10000 Link-http://faculty.washington.edu/chudler/facts.html | unitless | 100715 | http://faculty.washi... |
| Length of neuron from base of spine to big toe-longest cell in human body | Human Homo sapiens | ≤1 | meter | 104901 | Fletcher DA, Theriot... |
| Rate of slow axonal transport | Unspecified | 0.1 - 3.0 | mm/day | 112175 | Terada S, Nakata T, Peterson... |
| Composition of myelin | Metazoa animals | lipids 70 - 80: protein 20 - 30 | % | 114494 | Hildebrand C, Remahl S... |
| Proportion of gastric myenteric plexus neurons in which antidromic stimulation of the cervical vagus induced c-Fos expression | Rat Rattus norvegicus | <1 | % of gastric myenteric plexus neurons | 117250 | Berthoud HR, Neuhuber... |
| Impulse conduction velocity, fastest known in the invertebrate (and vertebrate) system | Kuruma shrimp Marsupenaeus japonicus | 90 - 210 | m/sec | 110502 | Kusano K, LaVail MM.... |
| ATP consumption per action potential | Rat Rattus norvegicus | 600 (480-800) | 10e6 ATP molecules | 111183 | Hallermann, S., de Kock... |
| Protein fraction by weight in axoplasm | Squid | 5 | % | 100462 | "Cell movements - from... |
| Estimated speed of transport in squid giant axons | Squid | Table - link | µm/hour | 112176 | Terada S, Kinjo M, Hirokawa... |
| Number of sodium ions entering dendrite during an action potential | Eukaryotes | 3.93e+7 | Na+/action potential | 108631 | Attwell D, Laughlin SB.... |