Multiple Choice
Which of the following best describes an axon in a neuron?
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4. Tissues & Histology
Introduction to Nervous Tissue
Multiple Choice
What is the name of the small gap that separates the axon terminal of a nerve from the sarcolemma?
A
Axon hillock
B
Myelin sheath
C
Node of Ranvier
D
Synaptic cleft
Verified step by step guidance1
Understand the context: The problem is asking about a specific anatomical feature related to the neuromuscular junction, where a nerve communicates with a muscle cell.
Identify the components involved: The axon terminal is the end of a nerve cell that releases neurotransmitters, and the sarcolemma is the cell membrane of a muscle fiber.
Recognize the function of the gap: This gap allows for the transmission of signals from the nerve to the muscle, facilitating muscle contraction.
Recall the correct term: The small gap that separates the axon terminal from the sarcolemma is known as the 'synaptic cleft'.
Review related terms: The axon hillock is the part of the neuron where the axon begins, the myelin sheath is an insulating layer around nerves, and the Node of Ranvier is a gap in the myelin sheath along the axon.
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