What occurs at the terminal boutons of a neuron?
What will be an ideal response?
At the terminal bouton the neuron communicates with another cell. The terminal bouton occurs at the distal ends of the axon or collaterals of a nerve cell. Synaptic vesicles in the terminal boutons store neurotransmitters and release them in response to the arrival of an an action potential at the terminal bouton.
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Cerebrospinal fluid is
A. clear and liquid. B. red. C. yellow in the CNS and clear in the PNS. D. white and thick.
Exocrine glands are considered to be a type of connective tissue because ________
A) they produce secretions, not hormones B) they develop from mesenchyme C) their ducts connect them to a surface D) exocrine glands are epithelial tissue, not connective tissue
Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the
A. splanchnic nerves. B. superior cervical ganglion. C. white rami communicantes. D. gray rami communicantes. E. pterygopalatine ganglion.
Insulin is taken up, via endocytosis, by the endothelial cells that line blood capillaries. Then, it's transported across the cell to the other side, where it is released. This transport is called ________
A) facilitated transport B) transcytosis C) passive transport D) receptor-mediated phagocytosis E) pinocytosis