The cell bodies of sympathetic neurons are smaller than those of sensory neurons in the dorsal root ganglion, and often have eccentrically placed nuclei. The facial nerve is one of the key cranial nerves with a complex and broad range of functions.. Learn how novel RNA in situ hybridization technology, RNAscope ®, can be applied to the analysis of human and rodent peripheral nervous system tissue to better understand the molecular mechanisms of pain.. The axon hillock is a specialized part of the cell body (or soma) of a neuron that connects to the axon.It can be identified using light microscopy from its appearance and location in a neuron and from its sparse distribution of Nissl substance.. The cell profile appears somewhat angular, since these cells are multipolar, and the roots of their processes are often included in the plane of section. Online Dictionaries: Definition of Options|Tips Although at first glance it is the motor nerve of facial expression which begins as a trunk and emerges from the parotid gland as five branches (see facial nerve branches mnemonic), it has taste and parasympathetic fibers that relay in a complex manner.. definition of - senses, usage, synonyms, thesaurus.
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