Neuroanatomy: An Illustrated Colour Text by Alan R. Crossman & David Neary

Author:Alan R. Crossman & David Neary [Crossman, Alan R. & Neary, David]
Language: eng
Format: epub
Tags: Physiology, Medical, Neurology
ISBN: 9780702044892
Publisher: Elsevier Health Sciences
Published: 2010-04-12T14:00:00+00:00

Reticular formation

The reticular formation consists of a complex matrix of neurones that extends throughout the length of the brain stem. This is, in phylogenetic terms, a relatively old part of the brain stem and its neurones fulfil a number of important functions, some of which are necessary for survival. The reticular formation has widespread afferent and efferent connections with other parts of the CNS, which reflect its complex and multimodal functions. Some reticular neurones have long axons that ascend and descend for considerable distances within the brain stem, allowing profuse interaction with other neuronal systems. Within the reticular formation a number of individual nuclei are recognised. Some functions are subserved, however, by more dispersed networks that do not correspond exactly to anatomically identified nuclei. The latter applies to the so-called respiratory and cardiovascular centres. These consist of diffuse neuronal networks located within the medullary and caudal pontine reticular formation that control respiratory movements and cardiovascular function.

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