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Property Organism Value Units ID Details
Conduction velocities of impulse between corticospinal tract and brainstem Monkey ≤110 m/sec 110612 Harvey A. Swadlow and...
Volume of neuron soma, nucleus & nucleolus Guinea Pig Cavia porcellus cell body 12,260µm^3: nucleus 1,660µm^3: nucleolus 25.6µm^3 µm^3 112112 Edstrom JE. Effects of...
Rate of transport of amino acid in the fast component Rat Rattus norvegicus 240 - 420 mm/day 112229 Vahlsing HL, Hirschl RB...
Fraction of total body serotonin that is released into the gut by intestinal enterochromaffin cells Unspecified ~95 % 113115 Berger M, Gray JA, Roth...
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...
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....
Duration of synaptic formation in cultured neurons Rat Rattus norvegicus <60 min 112035 Hopf FW, Waters J, Mehta S...
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...
GABA concentration in brain Unspecified 1 mM 115055 Krnjević, K. "Chemical...
Typical synaptic cleft distance Unspecified 20-40 nm 100721 http://faculty.washi...
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...
Average dimensions of neuronal soma of trigeminal mesencephalic nucleus in adult Syrian Hamster Mesocricetus auratus diameter 34.1µm: surface area 3,651µm^2: cytoplasmic volume 20,569µm^3 N/A 112113 Alley KE. Morphogenesis...
Size of synaptic cleft Human Homo sapiens 20 to 40 nm 108451 The Dana Foundation-a...
Number of neurons in larval brain of Drosophila Fruit fly Drosophila melanogaster 10,000-15,000 neurons 101672 Scott et al. A Chemosensory...
Fraction of all genes that are regulated by at least one miRNA Unspecified ~20-30 % 113092 Malan-Müller S, Hemmings...
Concentration of glutamate in forebrain and cerebellum (about 50% less in various parts of brain stem) Unspecified 10 µmol/g 115056 Krnjević, K. "Chemical...
Once internalized (in endocytosis), synaptic vesicles become reavailable for exocytosis in Rat Rattus norvegicus ~30 sec 112763 Ryan TA et al., The kinetics...
Total number of neurons in brain Frog, Rana esculenta 1.58e+7 neurons 109425 Kemali, M., and Braitenberg...
Electrophysiological values of maximum firing rate across neuron types from literature Various Database - link Hz 115085 Neuro Electro, Elect...
Number of neurons in hypothalamic suprachiasmatic nucleus (SCN, master clock) Mammals 10,000 to 15,000 Unitless 105963 Sahar S, Sassone-Corsi...