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36,441 result(s) for "frogs"
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Weird frogs
Features up-close photographs, captions explaining the purpose of the distinct physical features of each frog, and other details about how they live.
Role of alpha7 Nicotinic Acetylcholine Receptors in Synaptic Transmission in Frog Neuromuscular Contacts
The role of [alpha]7 nicotinic acetylcholine receptors in coupling of synaptic activity and muscle contractions was studied in frog (Rana ridibunda) neuromuscular synapses. The amplitude of endplate currents, the probability of action potential generation, and the strength of muscle contractions decreased in the presence of selective [alpha]7 antagonist methyllycaconitine. The effects of nicotinic acetylcholine receptor blockade depended on the pattern of the motor nerve stimulation. It can be assumed that the muscle action potential is a factor of retrograde control of neurosecretion, which modulates activity of [alpha]7 nicotinic receptors and the release of acetylcholine from motor nerve endings. Key Words: acetylcholine; neuromuscular synapse; nicotinic cholinergic receptor
Frogs matter
What can we learn about the health of an ecosystem through frogs? This title takes readers to our freshwater sources to see how pollution is disrupting the reproduction and lives of frogs, how humans are to blame, and what we can do to fix it.
Correction to “Optimizing the automated recognition of individual animals to support population monitoring”
[This corrects the article DOI: 10.1002/ece3.10260.].[This corrects the article DOI: 10.1002/ece3.10260.].
Frogs
An introduction to frogs, discussing their tadpole beginnings, noises they make, their hibernation, body parts, and how they differ from toads.
Frogs
Describes the variety of frogs that exist all around the world, how they grow from eggs to tadpoles to frogs, what they eat, and how they avoid being eaten by other animals.