| 词汇 | example_english_preganglionic |
| 释义 | Examples of preganglionicThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. In conclusion, these results provide evidence for a functional subdivision between the pupillary and accommodation related preganglionic motoneurons. This study also provides evidence for a functional subdivision of this preganglionic population. Thus, the cat intraocular muscle preganglionic innervation is spatially organized with respect to function, despite the dispersed nature of its distribution. Organization of the extraocular and preganglionic motoneurons supplying the orbit in the lesser galago. This functional subdivision in the cat preganglionic distribution should have connectional and physiological consequences. In the present study, injections of the anterior chamber were used to label the postganglionic and preganglionic afferents to the iris sphincter pupillae muscle. Thus, these cases provide a picture of the overall preganglionic cell distribution, as demonstrated by a technique different from those previously employed. The quantitative description of this distribution demonstrated that, despite an apparently diffuse organization, the location of preganglionic motoneurons in the cat is highly stereotypic. Descriptions of the extent and precise location of the preganglionic motoneuron distribution have varied between studies. Of the remaining preganglionic motoneurons, roughly 20% of the total are located dorsal to the oculomotor nucleus. However, the location of the preganglionic cells in nonprimate mammalian species has been more difficult to specify. The greater petrosal nerve, which carries sensory fibers as well as preganglionic parasympathetic fibers, emerges from the anterior aspect of the ganglion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is due to the number of synapses formed by the preganglionic fibers with ganglionic neurons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The activity of autonomic ganglionic neurons is modulated by preganglionic neurons (also called, improperly but classically, visceral motoneurons) located in the central nervous system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These fibers continue on into the spinal cord where they synapse with preganglionic autonomic neurons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because it is innervated by preganglionic nerve fibers, the adrenal medulla can be considered as a specialized sympathetic ganglion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The adrenal medulla is considered a sympathetic ganglion and, like other sympathetic ganglia, is supplied by cholinergic preganglionic sympathetic fibers; acetylcholine is its neurotransmitter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the ciliary ganglion is not simply a relay station connecting "preganglionic" to "postganglionic" nerve fibers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Once the voluntary signal to begin voiding has been issued, neurons in pontine micturition center fire maximally, causing excitation of sacral preganglionic neurons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Preganglionic sympathetic neurons are in the spinal cord, at thoraco-lumbar levels. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As well as motor neurons, the nucleus ambiguus in its external formation contains cholinergic preganglionic parasympathetic neurons for the heart. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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