The presynaptic neuron and the postsynaptic neuron are separated by a tiny, fluid-filled space called the:
A) myelin sheath.
B) synaptic gap.
C) the node of Ranvier.
D) ion channel.

Question

Quizplus · Accepted Answer

The tiny, fluid-filled space between the presynaptic neuron and the postsynaptic neuron is called the synaptic gap or synaptic cleft. This is where neurotransmitters are released and diffuse across the gap to bind with receptors on the postsynaptic neuron.

The Presynaptic Neuron and the Postsynaptic Neuron Are Separated by a Tiny