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Property Organism Value Units ID Details
Rate of transport of hormones in the hypothalamo-neurohypophysial tract Rat Rattus norvegicus 48 - 96 mm/day 112230 Vahlsing HL, Hirschl RB...
Stomach emptying time for various foodstuffs Human Homo sapiens Table - link N/A 111757 Eve IS. A review of the...
Turnover time of gastrointestinal (GI) mucosa (probably in human) Unspecified 2 - 3 days 112311 Rubio CA. The Natural...
Number of cells in the digestive tract Nematode Caenorhabditis elegans ~100 Cells 107083 Kormish JD, Gaudet J...
Ratio between number of microbial cells and number of animal cells in body Human Homo sapiens 10 (outdated, updated value is 1.3, see comments section) unitless 102391 Savage DC. Microbial...
Number of viral particles that are sufficient for infection with human enteric viruses such as norovirus, rotavirus, and poliovirus Virus <100 viral particles 113940 Pfeiffer JK, Virgin HW....
Daily turnover of cells Human Homo sapiens in the skin 7E8: in the mucosa of the gastrointestinal tract 56E9 cells/day 113419 Fliedner TM, Graessle...
Fraction of total body serotonin that is released into the gut by intestinal enterochromaffin cells Unspecified ~95 % 113115 Berger M, Gray JA, Roth...
Emptying times of stomach after various foods Human Homo sapiens Table - link N/A 111758 Eve IS. A review of the...
Reference man: summary of anatomical values Human Homo sapiens Table - link N/A 110327 Snyder WS, Cook MJ, Nasset ES...
Percent of alimentary tract out of total body weight Human Homo sapiens 2.07 (Table - link) % 109608 HH Mitchell et al., The...
Number of cells in human body (see BNID 113006 for more updated value of 3x10^13) Human Homo sapiens ~1e+13 cells/body 102390 Savage DC. Microbial...
Ratio between anaerobic bacteria and Escherichia coli in the bowel (most probably of humans) Unspecified 100-10,000 anaerobic bacterial cells/E. coli cell 116910 Tenaillon O, Skurnik D...
pH in the duodenum and jejunum of neonatal rats Rat Rattus norvegicus 6.0 - 6.5 unitless 117061 Saji F, Samejima Y, Kamiura S...
Percent of urinary tract infections caused by e. coli Bacteria Escherichia coli >=75 Percent 102092 Michael A. Savageau, 1983...
Usual concentration of bacteria in stomach Human Homo sapiens <1,000 cfu/ml 110219 Simon GL, Gorbach SL....
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....
Gastric pH fasted and after meal ingestion Human Homo sapiens fasted 1.7: fed 5.0 unitless 110514 McConnell EL, Basit AW...
Geometric weighted combined mean (WX) and weighted arithmetic mean of enterocyte turnover Mammals mice WX 2.81±1.14: rat weighted arithmetic mean 2.37: human WX 3.48±1.55 days 113694 Darwich AS, Aslam U,...
Endogenous protein released into the intestinal tract Human Homo sapiens 35-55 grams per day 102114 Michael A. Savageau, 1983...