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Property Organism Value Units ID Details
Hypothetical cross section of potassium channel Frog Rana pipiens 8.6 Angstrom^2 104103 Stein, Wilfred D., Channels...
Hypothetical cross section of sodium channel Frog Rana pipiens 15.8 Angstrom^2 104104 Stein, Wilfred D., Channels...
Hypothetical cross section of End plate channel Frog Rana pipiens 40.3 Angstrom^2 104105 Stein, Wilfred D., Channels...
Total number of vesicles in neuromuscular junction Frog Rana pipiens ~500,000 vesicles 112454 Rizzoli SO, Betz WJ....
Time for amplitude of cone early receptor potential to recover after illumination (half-life) Frog Rana pipiens 5 - 6 min 111400 Saari JC. Biochemistry...
Number of nuclear pores in embryo tissue nuclei Frog Rana pipiens 4938 pores/nucleus 101382 Maul GG, Deaven L. Q...
Developmental stages including approximate age and size Frog Rana pipiens Table - link N/A 102124 Altman, P.L., and Dittmer...
Time for depletion of readily releasable pool (RRP) of synaptic vesicles (SVs) after stimulation at 30 Hz Frog Rana pipiens 10 – 15 sec 112565 Richards DA, Guatimosim C...
Fraction of vesicles at the neuromuscular junction Frog Rana pipiens in readily releasable pool 20%: in reserve pool 80% % 111282 Sudhof TC. The synaptic...
Volume of Nuclei in embryo tissue Frog Rana pipiens 627 µm^3 101410 Maul GG, Deaven L. Q...
Velocity of action potential in sciatic nerve Frog Rana A fibers 14-50: B1 fibers 8-16: B2 fibers 3-4.5: C fibers 0.3-0.8 m/s 108965 Bullock TH, Horridge...
ultrasound velocity perpendicular to gastrocnemius muscle fibers at 20 degC Frog, Rana esculenta 1551 (4) m/s 101283 Mol, CR and Breddels...
Velocity of action potential in sciatic nerve single nodal fiber Frog Rana 31 m/s 108964 Bullock TH, Horridge...
Diffusion coefficient of parvalbumin in cytoplasm Frog Rana temporaria 37.4 (±8.1) µm^2/sec 104037 Lin PC, Kreutzer U, Jue...
Length of stereocilia (hair cells) in crista ampullaris of inner ear Frog Rana 5 to 60 μm 109301 Flock A, Cheung HC. Actin...
Ultrasound velocity parallel to gastrocnemius muscle fibers at 20 degC Frog, Rana esculenta 1561 (5) m/s 101286 Mol, CR and Breddels...
Total number of neurons in brain Frog, Rana esculenta 1.58e+7 neurons 109425 Kemali, M., and Braitenberg...
Mean interphase nuclear and chromosomal volumes and DNA contents for liver parenchymal cells for 16 frog and 15 salamander species vertebrates Table - link N/A 107792 Conger AD, Clinton JH....
Ionic concentrations in resting frog muscle Frog K+ 141mM: Na+ 9mM: Cl- 2.2mM: total inorganic phosphate 1.4mM: free Ca2+ 52nM: free Mg2+ 0.8mM N/A 115776 Theillet FX et al., ...
Duration of recycling of synaptic vesicle membrane and proteins according to 2 models (see comments section) vertebrates slow endocytic pathway ~20sec: kiss-and-run ≤1sec sec 112145 Watanabe S et al., Ultrafast...