Primary and secondary olfactory centres in human ontogeny.
Neurosci Res
; 190: 1-16, 2023 May.
Article
in English
| MEDLINE | ID: covidwho-2266208
ABSTRACT
The olfactory centres are the evolutionary oldest and most conservative area of the telencephalon. Olfactory deficiencies are involved in a large spectrum of neurologic disorders and neurodegenerative diseases. The growing interest in human olfaction has been also been driven by COVID-19-induced transitional anosmia. Nevertheless, recent data on the human olfactory centres concerning normal histology and morphogenesis are rare. Published data in the field are mainly restricted to classic studies with non-uniform nomenclature and varied definitions of certain olfactory areas. While the olfactory system in model animals (rats, mice, and more rarely non-human primates) has been extensively investigated, the developmental timetable of olfactory centres in both human prenatal and postnatal ontogeny are poorly understood and unsystemised, which complicates the process of analysing human material, including medical researches. The main purpose of this review is to provide and discuss relevant morphological data on the normal ontogeny of the human olfactory centres, with a focus on the timetable of maturation and developmental cytoarchitecture, and with special reference to the definitions and terminology of certain olfactory areas.
Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Smell
/
COVID-19
Limits:
Animals
/
Female
/
Humans
/
Pregnancy
Language:
English
Journal:
Neurosci Res
Journal subject:
Neurology
Year:
2023
Document Type:
Article
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