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Property Organism Value Units ID Details
Brain volume Human Homo sapiens 1.5 liter 112053 Drachman D (2005). "Do...
brain weights and composition Generic Database - link N/A 100688 http://faculty.washi...
Average brain weight Human Homo sapiens 1300 - 1400 gram 100689 http://faculty.washi...
GABA concentration in brain Unspecified 1 mM 115055 Krnjević, K. "Chemical...
Brain tumor volume Human Homo sapiens 22-85 cm^3 103938 Goldberg-Zimring D, Talos IF...
Brain energy usage Mammals 33 to 50 in neocortex: 21 in the whole brain μmol ATP/g/min 108674 Attwell D, Laughlin SB....
Relative brain weight Human Homo sapiens 2-2.5 Percent 104074 Amazing numbers in biology...
Mutant frequency in brain Mouse Mus musculus young mice 4.8e-5 old mice 5.0e-5 mutant frequency (uncertain units ?) 110458 Busuttil RA, Garcia AM...
Fraction of mass of different parts of brain out of total brain mass Human Homo sapiens 81.8% cerebral cortex 10.3% cerebellum 7.8% rest of brain Figure link - link % 106398 Azevedo FA, Carvalho LR...
Neocortex fraction of brain volume Mammals 14% in basal insectivores: 80% in humans % 110875 Herculano-Houzel S, Mota B...
Brain metabolic cost out of whole body Mammals 2% - 10% non-humans: 20% humans % 110878 Herculano-Houzel S. Scaling...
Volume of brain Bee Apis mellifera ~1 mm^3 109327 Menzel R, Giurfa M. Cognitive...
Distribution of of neurons in adult brain Human Homo sapiens 19% Cerebral cortex: 80.2% cerebellum: 0.8% rest of brain. Figure link - link % 106323 Azevedo FA, Carvalho LR...
Number of neurons in brain Bee Apis mellifera ~960,000 neurons 109328 Menzel R, Giurfa M. Cognitive...
Elastic modulus of brain soft tissue Mammals 0.5 to 1.0 kPa 106646 Leipzig ND, Shoichet...
Length of myelinated nerve fibers in brain Human Homo sapiens 150,000-180,000 km 100692 http://faculty.washi...
Number of neurons in adult male brain Human Homo sapiens 8.61e+10 (±8.12×10^9) Unitless 106322 Azevedo FA, Carvalho LR...
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...