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Property Organism Value Units ID Details
Fraction of anterior pituitary endocrine cells that produce adrenocorticotropic hormone (ACTH) Unspecified ~10 % 115258 de Keyzer Y et al., V3...
Conduction velocities of impulse between corticospinal tract and brainstem Monkey ≤110 m/sec 110612 Harvey A. Swadlow and...
Average number of dendritic spines Zebra finch Taeniopygia guttata 74±13 in HVCx: 51±7 in HVCra Spines per cell 107570 Tschida KA, Mooney R....
Fraction of neurons that are excitatory Unspecified ~85 % 111649 Harris JJ, Jolivet R...
Fraction of striatum that is striosomes (also known as patches) Vertebrates 10-15 % of striatal volume 117204 Brimblecombe KR, Cragg SJ...
Size of synaptic cleft Human Homo sapiens 20 to 40 nm 108451 The Dana Foundation-a...
Rate of transport of amino acid in the fast component Rat Rattus norvegicus 240 - 420 mm/day 112229 Vahlsing HL, Hirschl RB...
Average number of neurons in the mouse brain Mouse Mus musculus 7.5e+7 unitless 100731 http://www.nervenet....
Blood flow required by central nervous system Human Homo sapiens ~55 ml/100g/min 110631 Sokoloff L (1996) The...
Fraction of energy consumed by ribosomal translation Various Rapidly growing bacterial cell ~50%: differentiating mammalian cell ~30% % 110441 Li GW, Burkhardt D, Gross C...
GABA concentration in brain Unspecified 1 mM 115055 Krnjević, K. "Chemical...
Surface area of (1.3 kg) brain Human Homo sapiens ~20 m^2 117111 Abbott NJ, Rönnbäck L...
Number of adult neural cells that form major neuropile substructures of the brain, such as the central complex, that are contributed by type II NBs (neuroblasts) Fruit fly Drosophila melanogaster ~5000 type II NBs (neuroblasts) 117237 Homem CC, Knoblich JA....
Fraction of outer subventricular zone (OSVZ) progenitor cells that express nuclear and cytoplasmic markers typical of radial glia (RG) and also possess radial fibers Vertebrates ~40 % of OSVZ progenitor cells 117213 Lui JH, Hansen DV, Kriegstein...
Annual expansion of the ventricles in healthy elderly and Alzheimer’s disease (AD) patients Human Homo sapiens healthy elderly ~1.5-3.0%: AD patients 5-16% % 114372 Streitbürger DP et al....
Mean volume of whole brain, amygdala and hippocampus in infants, children and adolescents/adults of both sexes Human Homo sapiens Table - link cm^3 113145 Uematsu A et al., De...
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...
Increase in density of neurons in cortex of females compared with males Human Homo sapiens ~4,000 neurons/mm^3 higher in the female than in the male 115166 Haug H. Brain sizes, surfaces...
Glial cell density in grey matter of brain Human Homo sapiens 30,000 - 60,000 cells/mm^3 115169 Haug H. Brain sizes, surfaces...
Expansion in the size of the brain relative to the body in humans compared to lower primates Human Homo sapiens 3 fold expansion 111648 Harris JJ, Jolivet R...