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Property Organism Value Units ID Details
Fraction of daily energy budget allocated to brain Mammals adult human ~20-25: other primates 8-10: other (non-primate) mammals 3-5 % 113754 Leonard WR, Robertson ML...
Total number of neurons in brain Frog, Rana esculenta 1.58e+7 neurons 109425 Kemali, M., and Braitenberg...
Fraction of brain utilization of total metabolism Human Homo sapiens 20 % 100723 Roth G, Dicke U. Evolution...
Percent of weight that is brain Human Homo sapiens 2 % 108620 Attwell D, Laughlin SB....
Kcat of human brain 6PF2K wild type Human Homo sapiens 0.407 (±0.022 Table - link) Sec^-1 104959 Manes NP, El-Maghrabi...
Duration of the cycle of growth of the human brain Human Homo sapiens first ~1.5 decades of life after conception 113146 Caviness VS Jr, Kennedy DN...
Glial cell density in grey matter of brain Human Homo sapiens 30,000 - 60,000 cells/mm^3 115169 Haug H. Brain sizes, surfaces...
Variability of size in brain (possibly only in forebrain) Human Homo sapiens ~15 - 20 % above and below the mean values 114631 Haug H. Brain sizes, surfaces...
Ratio between glia cell number and neuron number in brain Human Homo sapiens 10 - 50 unitless 110874 Herculano-Houzel S, Mota B...
Time until unconsciousness after loss of blood supply to brain Human Homo sapiens 8-10 sec 100694 http://faculty.washi...
Fraction of brain that is constituted by white matter Human Homo sapiens >40 % 114485 Hildebrand C, Remahl S...
ATP/ADP ratio in brain tissue Rat Rattus norvegicus 3-8 Unitless 109310 Berg J, Hung YP, Yellen...
Percent of total oxygen consumed by brain Human Homo sapiens 25 % 109292 Bernstein BW, Bamburg...
Fraction of dopamine neurons out of total brain neurons Human Homo sapiens <=1e-4 Unitless 102679 Girault JA, Greengard...
Total ATP use for brain tissue Human Homo sapiens 80 µmol/liter/sec 110641 Bernstein BW, Bamburg...
Loss of brain weight from ages 50 - 90 Human Homo sapiens 2-3 % per decade 113114 Stark AK, Pakkenberg...
Average number of neurons in the mouse brain Mouse Mus musculus 7.5e+7 unitless 100731 http://www.nervenet....
Volume of brain tissue cell Mouse Mus musculus 1.6±0.4x10^-14 Liter 108843 Meera R Raja, Scott...
Average number of glial cells in brain per neuron Human Homo sapiens 10-50 unitless 100691 http://faculty.washi...
Characteristic number of neurons in the brain Human Homo sapiens 1e+11 unitless 100690 http://faculty.washi...