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Neuroanatomical dysmorphology of the medial superior olivary nucleus in sudden fetal and infant death.
MedLine Citation:
PMID:  23205011     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
This study expands our understanding of the organization of the human caudal pons, providing a morphologic characterization of the medial superior olivary nucleus (MSO), component of the superior olivary complex (SOC) that plays an important role in the processing of acoustic information. We examined victims of sudden unexplained fetal and infant death and controls (n = 75), from 25 gestational weeks to 8 months of postnatal age, by complete autopsy and in-depth autonomic nervous system histological examination, particularly of the MSO nucleus, the focus of this study. Peculiar cytoarchitectural features of the MSO nucleus were found in sudden death cases, such as hypoplasia/agenesis and immature hypercellularity, frequently related to dysgenesis of contiguous structures involved in respiratory rhythm-generating circuit, in particular to hypoplasia of the retrotrapezoid and the facial nuclei. We propose the involvement of this nucleus in more important functions than those related to hearing, as breathing and, more extensively, all the vital activities. Besides, we highlight the fundamental role of the maternal smoking in pregnancy as etiological factor in the dysmorphic neuroanatomical development of the MSO nucleus.
Authors:
Anna M Lavezzi; Luigi Matturri
Publication Detail:
Type:  Journal Article     Date:  2012-11-27
Journal Detail:
Title:  Frontiers in human neuroscience     Volume:  6     ISSN:  1662-5161     ISO Abbreviation:  Front Hum Neurosci     Publication Date:  2012  
Date Detail:
Created Date:  2012-12-03     Completed Date:  2012-12-04     Revised Date:  2013-08-13    
Medline Journal Info:
Nlm Unique ID:  101477954     Medline TA:  Front Hum Neurosci     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  322     Citation Subset:  -    
Affiliation:
Department of Biomedical, Surgical and Dental Sciences, "Lino Rossi" Research Center for the Study and Prevention of Unexpected Perinatal Death and SIDS, University of Milan Milan, Italy.
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