The axons and dendrites that are coated with a myelin sheath are called ( ).
A: Neurite
B: Nerve
C: Nerve ending
D: Nerve fiber
A: Neurite
B: Nerve
C: Nerve ending
D: Nerve fiber
D
举一反三
- Oligodendrocytes make myelin, a fatty substance that insulates nerve axons and speeds the conduction of impulses along nerve fibers.
- Through which of the following structure does nerve fibers conduct nerve impulses? A: Myelin sheath B: Axolemma C: Neurofilament D: Synaptic vesicle
- The submandibular ganglion contains preganglionic parasympathetic axons from which cranial nerve? A: oculomotor nerve B: trigeminal nerve C: facial nerve D: hypoglossal nerve E: vagus nerve
- In the CNS, the myelin sheath of the nerve is formed by<br/>____________________?() A: Schwann cells B: astrocytes C: oligodendrocytes D: macroglia E: microglia
- Which cell forms the myelin sheath of myelinated nerve fibers in the peripheral nervous system? A: Astrocytes B: Microglia C: Oligodendrocytes D: Schwann cells
内容
- 0
从脑干背面穿出的是 A: trochlear nerve B: oculomotor nerve C: optic nerve D: abducent nerve E: accessory nerve
- 1
【多选题】The factors that influence the AP conduction velocity on nerve fiber include A. thickness of the myelin shealth. B. myelinated or not C. diameter of the fiber D. temperature E. strength of the stimulation
- 2
Which of the following nerves is added to the tongue nerve? () A: Ear-temporal nerve B: Masseter nerve C: Buccal nerve D: CHORDA Tympani E: Inferior alveolar nerve
- 3
Which cranial nerve is responsible for the olfactory function? A: cranial nerve I B: cranial nerve VII C: cranial nerve IX D: cranial nerve X
- 4
患者上睑下垂是因损伤 A: ophthalmic nerve B: facial nerve C: oculomotor nerve D: abducent nerve E: trochlear nerve