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Property Organism Value Units ID Details
Spontaneous mutant frequencies in the brain subparts of 7-, 19- and 30-month old animals Mouse Mus musculus Table - link mutant frequency (uncertain units ?) 110460 Busuttil RA, Garcia AM...
Width of periventricular germinal matrix (GM) (in brain) in human fetuses Human Homo sapiens at 23–24 weeks 2.5mm: at 32 weeks 1.4mm: by approximately 36 weeks complete involution mm 117108 Ballabh P, Braun A, ...
Percent of synapses in the brain that use chemical transmission Human Homo sapiens >=99 Percent 102697 Greengard P. The neurobiology...
Fluctuation in number of neurons in brain area involved in producing and recognizing song Canary bird Serinus canaria 40,000 in spring to 25,000 in fall and winter Neurons 106409 Williams RW, Herrup K....
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...
Substances utilized or produced by normal young adult human brain Human Homo sapiens Table - link N/A 110632 Sokoloff L (1996) The...
Fraction of total basal body oxygen consumption that goes to brain in 5 year old child Human Homo sapiens 50 % 110634 Sokoloff L (1996) The...
Expected values for a generic rodent and primate brains of 1.5 kg, and values observed for the human brain Mammals Table - link N/A 109330 Herculano-Houzel S. The...
Fraction of cerebellum out of brain by volume [largest volume fraction of the cerebellum of all mammals] African Elephant Loxodonta africana ~30 % 115168 Haug H. Brain sizes, surfaces...
Rate at which water is generated by glucose metabolism in normal brain activity Unspecified ~28 nL/gram/min 117117 Abbott NJ, Rönnbäck L...
Comparative cellular composition of the brain of the tree shrew and six primate species Mammals Table - link N/A 110871 Herculano-Houzel S, Collins...
Fraction of total serotonin that is brain derived serotonin Unspecified 5 % 107221 Karsenty G, Oury F. Biology...
Fraction of cytochrome oxidase that is reduced in brain Rat Rattus norvegicus 10 Percent 103302 Wong-Riley MT. Cytochrome...
Relative (%) and absolute sizes of parts of the brain Bee Apis mellifera Table - link N/A 110604 Theodore Holmes Bullock...
Percent of of total brain ATP consumption that is accounted for by Glutamate-generated electrical activity Rodent ~80 % 110637 Bernstein BW, Bamburg...
Electrical resistance between tight junctions in the BBB (blood-brain barrier) endothelial cells and in other tissues Unspecified BBB endothelial cells 1500-2000: other tissues 3-33 Ω.cm^2 117112 Stamatovic SM, Keep RF...
Degree of variability in macroscopic sizes of brain and cortex and in microscopic neuronal sizes Human Homo sapiens 15 - 20 % above and below the mean 115165 Haug H. Brain sizes, surfaces...
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...
Regeneration of drastic lesions that ablate large portions of the pallium (in the cerebrum in the brain) Salamander axolotl Ambystoma mexicanum ≤12-15 weeks 117246 Alunni A, Bally-Cuif...
Size of pores formed by claudins (Transmembrane proteins of the tight junction (TJ)) present in brain endothelial cells Vertebrates ~10 Å 117109 Stamatovic SM, Keep RF...