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Property Organism Value Units ID Details
Epithelial cell turnover time in a well fed Hydra Hydra attenuata 3 - 4 days 111727 Martínez DE, Bridge D. Hydra...
Fraction of total membrane lipids that constitute its components Mammals cholesterol ~30-40%: sphingolipid ~10-20% % 113404 Singh P. Budding Yeast:...
Mean surface area of individual guard cell Thale cress Arabidopsis thaliana 280 µm^2 110342 Autran D, Jonak C, Belcram K...
Mean surface area of pavement cell Thale cress Arabidopsis thaliana 6680 µm^2 110343 Autran D, Jonak C, Belcram K...
Number of epidermal cells on adaxial side of petals Thale cress Arabidopsis thaliana 5700 cells 110344 Autran D, Jonak C, Belcram K...
Ion-selective microelectrode measurements of pH and of K+, and Cl- concentrations in cells of open and closed stomatal complexes Asiatic dayflower Commelina communis Table - link % 110399 Leigh R.A. (1997). Solute...
Number of microbial cells in human body Human Homo sapiens 10^14 (see BNID 113000 for more updated value of 3.8x10^13) microbial cells (mostly bacteria)/human body 102392 Savage DC. Microbial...
Number of chloroplasts per guard cell Coffee Coffea arabica L. 16 Chloroplasts/cell 107031 Etienne H, Bertrand B....
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...
Dimensions of guard cells Thale cress Arabidopsis thaliana 20 length: 9 width μm 107834 Melaragno JE, Mehrotra B...
Kinetic parameters in normal, hyperplastic, and neoplastic squamous epithelia during carcinogenesis Rodent Table - link N/A 110522 Nicholas A. Wright, Malcolm...
Estimates of the average residence time (hours) spent in the basal layer by basal cells before migration Rodent Table - link hours 110510 Nicholas A. Wright, Malcolm...
Rate of Cerebrospinal fluid production Human Homo sapiens 0.6-0.7 liter/day 103634 Junqueira, Carneiro, Kelley...
Stomata Length Plants 10-80 µm 101757 Alistair M. Hetherington1...
Distribution of lymphocyte types Human Homo sapiens 80% T-cells:15% B-cells:5% null cells N/A 103635 Junqueira, Carneiro, Kelley...
Estimates of the fertile life of spermatozoa in different animals Mammals Table - link Hours 107277 Austin and Short (1982)...
Stomata Density Plants 5-1000 stomata/mm^2 101758 Alistair M. Hetherington1...
Proportion of cell types in lslet of langerhans Human Homo sapiens 20% α: 70% β: >5% δ: rare pp % 103641 Junqueira, Carneiro, Kelley...
Proportion of cell types that compose intralveolar septum Human Homo sapiens 30 capillary endothelial:8 type I:16 type II:36interstitial (fibroblasts and mast):10 macrophages % 103636 Junqueira, Carneiro, Kelley...
Percent of contribution of glands to secretions of saliva Human Homo sapiens 25% Parotid: 70% Submandibular: 5% Sublingual % 103637 Junqueira, Carneiro, Kelley...