Node of Ranvier are also known as:
Correct answer: B. Neurofibril node
- A. Myelin sheath
- B. Neurofibril node
- C. Myofibril node
- D. None
Explanation
The term "node of Ranvier" is named after Louis-Antoine Ranvier, a French histologist who first described these structures in the late 1800s. These specialized regions along the axon of a neuron have a high concentration of ion channels and play a crucial role in facilitating the rapid conduction of nerve impulses, also known as action potentials, along the length of the axon.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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