What is the nerve fiber?Describe the structure of the myelinated nerve fiber。相关知识点: 试题来源: 解析 正确答案:神经纤维由神经元的轴突及包绕它的神经胶质细胞构成。根据神经胶质细胞是否形成髓鞘,可将其分为有髓神经纤维和无髓神经纤维两类。①周围神经系统的有髓神经纤维:其施万细胞为长卷筒状,最长...
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A nervus is a group of nerve fibers bundled in a cluster. The formal Latin names for many nerves include the term “nervus,” as seen in “nervus trigeminus,”“nervus vagus,” and so forth. It can be useful to be aware that this word translates as “nerve bundle,” as this can pr...
An axon, or nerve fiber, is a long slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body or soma. Axons arein effect the primary transmission lines of the nervous system, and as bundles they help make up nerves. Why is the de...
The main function of an axon is to conduct electrical signals from a nerve cell to receptor sites on another nerve cell. Once a...
An AchE-positive motor nerve rootlet that was the origin of a cauda equina tumor was observed in one of the 12 patients. In this patient, a MEP in the right quadriceps evoked by electrical stimulation of this rootlet was detected. TES-MEP showed a 30% decrease in the amplitude in the ...
The basic unit of the peripheral nervous system is a nerve cell, called a neuron, which has several features that allow it to relay messages rapidly throughout the body. The main cell body is called the soma. Branching off the soma is a long nerve fiber called the axon, which carries ne...
Fill in the blank. As an axon enters a muscle, it branches into a number of axon terminals, each of which makes contact with a single muscle fiber. The portion of the sarcolemma in contact with the axon terminals is called the ___. Fill ...
Nerve fiber outgrowth is increased in the intestinal mucosa of patients with irritable bowel syndrome. Gastroenterology. 2015; 148: 1002-1011.Dothel G, Barbaro MR, Boudin H, et al. Nerve fiber outgrowth is increased in the intestinal mucosa of patients with irritable bowel syn- drome. ...
Unlike the vagina, the anus does not self-lubricate. So you need to use a lot of lubrication, whether you use fingers, a sex toy, or a penis. It will help you avoid tearing or other injury to the area. People with penises usually have aprostate. This gland has many nerve endings, ...