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Property Organism Value Units ID Details
Number of neurons in larval brain of Zebrafish (168 hours post fertilization) Zebrafish Danio rerio 78000 neurons 101673 Hill, et al. Neurode...
The erythrocyte sizes in various vertebrates Vertebrates Table - link µm 117074 Arikan, Hüseyin, Çiçek...
Brain weight of Eurasian pygmy shrew (Sorex minutus) and sperm whale (Physeter macrocephalus) Mammals Sorex minutus 0.25: Physeter macrocephalus 9,000 grams 115167 Haug H. Brain sizes, surfaces...
Number of neurons in a cubic millimeter of primary visual cortex (Area 17) Macaque Macaca fascicularis 119.1 (±10.8 S.D.) neurons/mm³ (×10³) 112217 O’Kusky, J., & Colonnier...
Percentage of mesophyll and epidermal cells in barley leaves with detectable levels of various elements in their vacuoles Barley Hordeum vulgare Table - link % 110398 Leigh R.A. (1997). Solute...
Volume of egg Ostrich Struthio camelus 1338 cm^3 105104 C. Brooke Worth, Egg...
Loss of evolutionary history across mammalian orders (Expected contribution to phylogenetic diversity (PD)) Biosphere Table - link N/A 117256 Davis M, Faurby S, Svenning...
Estimates of the biosphere's oceanic fish biomass Fish <40 Table - link Mt C 109627 Vaclav Smil, The Earth's...
Estimates of the biosphere's soil prokaryotic heterotrophic biomass prokaryote 15,000 to 26,000 Table - link Mt C 109616 Vaclav Smil, The Earth's...
Estimates of the biosphere's subterranean prokaryotic heterotrophic biomass prokaryote 22,000 to 215,000 Table - link Mt C 109618 Vaclav Smil, The Earth's...
Estimates of the biosphere's land wild vertebrates biomass vertebrates <5 Table - link Mt C 109622 Vaclav Smil, The Earth's...
Fraction of brain nerve cells that are neuroglia Eukaryotes A few cells nematode: 25% fruit fly: 65% mouse: ~90% human: 97% elephant % 106400 Allen NJ, Barres BA....
Diameter of a typical mammalian nucleus Mammals 5 - 10 μm 109953 Li GW, Xie XS. Central...
Erythrocyte volume Chicken Gallus gallus 121 (±1) μm^3 104643 García-Pérez AI, Lóp...
Oxygen equilibrium parameters of Hemoglobin Shark Mustelus griseus Table - link N/A 109544 Naoi Y, Chong KT, Yoshimatsu...
Brain weight, encephalization quotient and number of cortical neurons in selected mammals Mammals Table - link N/A 106135 Roth G, Dicke U. Evolution...
Volume of cerebellum Human Homo sapiens 124.8 cm^3 103178 Andersen BB, Gundersen HJ...
PCV, hemoglobin, oxygen affinity, and Hill constant (n) of whole blood during development Ostrich Struthio camelus Table - link N/A 109642 Isaacks RE, Kim CY, Legato TJ...
Mean P50 values for haemoglobins of 12 inbred strains with differing alleles at Hba and Hbb Mouse Mus musculus Table - link mmHg 109697 Newton MF, Peters J....
Cellular electrolyte metabolism Mammals Table - link N/A 110745 OS. Andersen, "Cellular...