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Property Organism Value Units ID Details
Length of Pacinian corpuscles in adult hand Human Homo sapiens ≤3 - 4 mm 112606 Zimmerman A et al., The...
Average lifetime of TSPs [thymus-seeding progenitors] and ETPs [early T lineage progenitors] combined Mouse Mus musculus 9 - 12 days 113827 Krueger A, Ziętara N...
Fraction of apoptosis in thymus that occurrs due to negative selection Mouse Mus musculus ~25 % 113828 Krueger A, Ziętara N...
Average number of CD4+ and CD8+ T cells exported from thymus each day (equivalent to 1% of all thymocytes) Mouse Mus musculus 1,000,000 - 4,000,000 T cells/day 113829 Krueger A, Ziętara N...
Fraction of naïve T cell production that is thymus derived in adult Human Homo sapiens 10 - 20 % 113830 Krueger A, Ziętara N...
Factors by which human and mouse differ (humans are greater by a factor of:) Mammals lifespan 30-50: size and total cellularity 3,000: number of cell divisions throughout life 10^5 unitless 113831 Krueger A, Ziętara N...
Brain metabolic cost out of whole body Mammals 2% - 10% non-humans: 20% humans % 110878 Herculano-Houzel S. Scaling...
95% confidence intervals (CIs) of specific metabolic rates (ki) of major organs and tissues Human Homo sapiens Table - link kcal/(kg×day) 112384 Wang Z. et al., Specific...
Age-adjusted Ki values (and their 95% CIs) of specific metabolic rates of major organs and tissues Human Homo sapiens Table - link kcal/(kg×day) 112385 Wang Z. et al., Specific...
Expansion in number of cells of adult wings from imaginal discs (over the course of five days) Fruit fly Drosophila melanogaster from ~50 to 50,000 cells 112074 Buchmann A, Alber M,...
Number of generations, under selection for improved visual acuity, required to produce a focused camera-type eye from a patch of light-sensitive epithelium Metazoa animals <400,000 generations 117183 Fernald RD. Casting a...
Time octopus and vertebrate eye arose Metazoa animals octopus eye arose ∼480: vertebrate eye arose 640 to 490 million years ago 117181 Fernald RD. Casting a...
Fraction of thymus that undergoes programmed cell death (PCD) Mouse Mus musculus 10 - 15 % 112334 Gavrieli Y, Sherman Y...
Brain volume Human Homo sapiens 1.5 liter 112053 Drachman D (2005). "Do...
Fraction of all neurons that are produced in embryonic NB (neuroblast) divisions Fruit fly Drosophila melanogaster of larval central nervous system (CNS) 100%: of adult CNS 10% % of cells 117236 Homem CC, Knoblich JA....
Distribution of systemic blood flow to the various organs and tissues of the body at rest Human Homo sapiens Table - link N/A 109465 Vander, A., J. Sherman...
Concentration of lymphocytes in lymphoid organs Rat Rattus norvegicus mesenteric lymph node (GMM) 1.1×10^6: spleen 2.0×10^6: thymus 3.6×10^6 cells/mg wet weight 113198 Everett NB, Caffrey RW...
Turnover of nuclei from liver Rat Rattus norvegicus 4 to 6 Months 109452 Savas JN, Toyama BH, Xu T...
Mutant frequency in small intestine Mouse Mus musculus young mice 11e-5 old mice 25.6e-5 mutant frequency (uncertain units ?) 110457 Busuttil RA, Garcia AM...
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...