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Property Organism Value Units ID Details
Composition of myelin Metazoa animals lipids 70 - 80: protein 20 - 30 % 114494 Hildebrand C, Remahl S...
Fraction of brain that is constituted by white matter Human Homo sapiens >40 % 114485 Hildebrand C, Remahl S...
Halflife of sodium channel Mammals in cultured mouse neuroblastoma cells ~1 day: in rabbit Schwann cells in vitro 2 days days 114486 Hildebrand C, Remahl S...
By the end of the first postnatal month corticospinal conduction velocities reach Cat 12 - 20 m/sec 114495 Hildebrand C, Remahl S...
Comparison of white matter to gray matter in brain Unspecified energy use: white matter is 3-fold lower than gray matter: density of synapses: 80 fold lower N/A 111650 Harris JJ, Jolivet R...
Diameter of axon above which the great majority of axons are myelinated Metazoa animals >0.3 µm 110609 Harvey A. Swadlow and...
Number of subtypes of retinal neurons Vertebrates ~60 subtypes 117170 Bloomfield SA, Völgyi...
Percent of total serotonin produced in enterochromaffin cells Various 90 Percent 102687 Indiana University school...
Influx of Ca2+ triggerred by presynaptic action potential Rat Rattus norvegicus 12000 Ca2+/vesicle released 108626 Attwell D, Laughlin SB....
Axon diameter in the optic nerve North American opossum Didelphis virginiana myelinated 0.3-6.7µm (mean 1.6µm): unmyelinated 0.2-1.6µm (mean 0.6µm) µm 112118 Kirby MA, Clift-Forsberg L...
Number of calcium ions required to release neurotransmitter vesicle at presynaptic cleft vertebrates 200-13,000 Calcium ions/released vesicle 103549 Laughlin SB, de Ruyter...
Number of neurons in larval brain of Drosophila Fruit fly Drosophila melanogaster 10,000-15,000 neurons 101672 Scott et al. A Chemosensory...
Number of vertebras in tetrapods Vertebrates Table - link N/A 102471 George C. Kent 1973 ...
Distribution and incidence rates of primary (malignant and non-malignant) brain and central nervous system tumors Human Homo sapiens Table - link N/A 103941 Central Brain Tumor Registry...
Biophysical and physiological parameters used in simulations (squid axon and mammalian pyramidal cell) Metazoa animals Table - link N/A 109242 Faisal AA, White JA,...
Percent of white matter metabolic rate out of grey metabolic rate Mammals 50-75 % 103270 Rolfe DF, Brown GC. Cellular...
Diameter of smallest axons in the central nervous system Metazoa animals ~0.1 µm 110608 Harvey A. Swadlow and...
Glutamine level in plasma in sedentary animal Rat Rattus norvegicus 940 (±13) nmol/mL 107548 dos Santos RV, Caperuto EC...
Typical synaptic cleft distance Unspecified 20-40 nm 100721 http://faculty.washi...
Distance between parallel membranes in glutamatergic synapse Unspecified ~25 nm 112017 O'Rourke NA, Weiler NC...