Results
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Property | Organism | Value | Units | ID | Details |
---|---|---|---|---|---|
Number of neurons in the central nervous system of the common octopus and small mammals such as shrews | Eukaryotes | ~30,000,000 | neurons | 109131 | Williams RW, Herrup K.... |
Fraction of white matter of central nervous system (CNS) that is myelin on a dry weight basis | Mammals | 50 - 60 | % | 114484 | Hildebrand C, Remahl S... |
Number of cells in larval nervous system | Tunicate Ciona intestinalis | 335 (±4) | Unitless | 105864 | Nicol D, Meinertzhagen... |
Predominance of Meningiomas (primary extra-axial tumors of the central nervous system (CNS)) in females | Human Homo sapiens | ~3:1 | females:males | 117050 | Polyzoidis S, Koletsa T... |
Conduction delays in the mammalian nervous system | Mammals | very short axons <100 µsec: very long non-myelinated central axons >100 ms | N/A | 110606 | Harvey A. Swadlow and... |
Diameter of myelinated and unmyelinated axons in central nervous system (CNS) (but size spectra of myelinated and unmyelinated axons overlap considerably) | Metazoa animals | myelinated 0.2: unmyelinated ≤0.8 | µm | 114487 | Hildebrand C, Remahl S... |
Recurrence of meningiomas (primary extra-axial tumors of central nervous system (CNS)) following total resection | Human Homo sapiens | 2 - 3 | % | 117052 | Polyzoidis S, Koletsa T... |
Fraction of genes in nervous system that are comprised by gap junctions | Nematode Caenorhabditis elegans | ~10 | % | 117156 | Simonsen KT, Moerman DG... |
Time for transduction of olfactory stimulus to nervous system | Tiger salamander Ambystoma tigrinum | ~150 | msec | 112580 | Olofsson JK. Time to... |
Fraction of tumors in different parts of the central nervous system (CNS) that are meningiomas (primary extra-axial tumors of CNS) | Human Homo sapiens | intracranial 15%: intraspinal 25%: primary CNS 28% | % | 117051 | Polyzoidis S, Koletsa T... |
Number of neurons and microglia in each body ganglia of the nervous system | European medicinal leech Hirudo medicinalis | neurons ~400: microglia ~10,000 | N/A | 114496 | Biber K, Owens T, Boddeke... |
Total length of the system of conduits which composes the vascular system | Mammals | ~60,000 | miles | 113045 | Rosen, Optimality principles... |
Volume of neuron soma, nucleus & nucleolus | Guinea Pig Cavia porcellus | cell body 12,260µm^3: nucleus 1,660µm^3: nucleolus 25.6µm^3 | µm^3 | 112112 | Edstrom JE. Effects of... |
Average dimensions of neuronal soma of trigeminal mesencephalic nucleus in adult | Syrian Hamster Mesocricetus auratus | diameter 34.1µm: surface area 3,651µm^2: cytoplasmic volume 20,569µm^3 | N/A | 112113 | Alley KE. Morphogenesis... |
Glutamic acid concentration in identified isolated B1 neuron | California sea hare Aplysia californica | 1.7 (Table - link) | μM | 106605 | Nemes P, Knolhoff AM... |
Representative examples for glutamic acid and serine concentrations measured in identified isolated neurons from the A. californica CNS | California sea hare Aplysia californica | Table - link | N/A | 106604 | Nemes P, Knolhoff AM... |
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.... |
Number of cell types in normal, healthy adult | Human Homo sapiens | 411 | Unitless | 106155 | Vickaryous MK, Hall BK.... |
The giant fiber system-afferent and efferent connections | Arthropods | Table - link | N/A | 110603 | Theodore Holmes Bullock... |
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.... |