Overall non-neuronal/neuronal ratio in adult brain

Value 1 Unitless
Organism Human Homo sapiens
Reference Azevedo FA, Carvalho LR, Grinberg LT, Farfel JM, Ferretti RE, Leite RE, Jacob Filho W, Lent R, Herculano-Houzel S. Equal numbers of neuronal and nonneuronal cells make the human brain an isometrically scaled-up primate brain. J Comp Neurol. 2009 Apr 10 513(5):532-41. p.535 left column bottom sentence and p.536 fig. 2PubMed ID19226510
Method The isotropic fractionator method (described in PMID 15758160)
Comments Total of 170.68±13.86 billion cells, of which 86.06±8.12 billion are neurons. There are contrasting values for human glia/neuron ratios. For ratio of ~9 (as opposed to 1 above) see BNID 106400
Entered by Uri M
ID 106399