Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| 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... |
| Characteristic number of neurons in the brain | Human Homo sapiens | 1e+11 | unitless | 100690 | http://faculty.washi... |
| Total number of neural cells in brain | Human Homo sapiens | at 20 weeks of intrauterine life ∼13×10^9: in adult 19–23×10^9 | neurons | 117218 | Malik S et al., Neurogenesis... |
| Number of protein kinases in the human genome | Human Homo sapiens | 523 | unitless | 101655 | Stewart Scherer. A Short... |
| Number of CpG dinucleotides in the human genome | Human Homo sapiens | ~30,000,000 CpG dinucleotides (or ~1% of total nucleotide content) | unitless | 113102 | Bernstein D, Golson ML... |
| Number of TNF molecules in human lung alveolar carcinoma cells | Human Homo sapiens | 6600 | Unitless | 100583 | Lauffenburger, Douglas A.... |
| Migration speed of type A cells (neuroblasts, postnatal mouse SVZ [subventricular zone] neuronal precursors) in vitro | in vitro | 120 | µm/hour | 117223 | Lim DA, Alvarez-Buylla... |
| Number of body hairs (excluding head) | Human Homo sapiens | 25000 | unitless | 101512 | Amazing numbers in biology... |
| Total number of osteocytes within the average adult human skeleton | Human Homo sapiens | ~4.2E+10 Table - link | osteocytes | 111547 | Buenzli PR, Sims NA.... |
| Composition of lymphocyte subsets in human organs and fluids | Human Homo sapiens | Table - link | N/A | 111619 | Westermann J, Pabst R.... |
| Number of identified bacterial genera in the human skin | Human Homo sapiens | 205 | Unitless | 107944 | Grice EA et al., Top... |
| Number of identified bacterial phyla in the human skin | Human Homo sapiens | 19 | Unitless | 107943 | Grice EA et al., Top... |
| Number of lymphocytes in body | Mammals | Human 1e+12: Mouse 1e+8 | lymphocytes/body | 109928 | Alan S. Perelson, Ge´rard... |
| Percent of total body iron stored in adult male red blood cells | Human Homo sapiens | 65 | % | 102752 | Information Center for... |
| Contribution of the major oxygen-consuming organs of the body to body mass and standard metabolic rate in human and rat | Mammals | Table - link | N/A | 106294 | Rolfe DF, Brown GC. Cellular... |
| Comparisons [of osteocytes and bone] with other measured quantities for the human body | Human Homo sapiens | Table - link | N/A | 111546 | Buenzli PR, Sims NA.... |
| Total concentration of T cells in blood | Human Homo sapiens | 1.31e+9 (±4e8) | cells/liter | 103558 | Ligthart GJ, Schuit HR... |
| Hayflick's limit - number of times normal human cells divide | Human Homo sapiens | 50 (±10) | unitless | 105586 | Hayflick L. The limited... |
| Number of CD4plus cells in healthy adult | Human Homo sapiens | 2e+11 | cells per body | 102373 | McCune JM. The dynamics... |
| Number of cells in newborn infant | Human Homo sapiens | 1.25e+12 | Cells | 106413 | Hirsch HR. The dynamics... |