{"title":"Structural Organization of the Rat Hippocampal Formation","authors":"C. M. Zimatkin, T. V. Klimut, A. V. Zaerko","doi":"10.1134/s1990519x24010115","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The review examines historical aspects of hippocampal nomenclature. His anatomical study began with the ancient Greeks, who named the unusual-looking structure the “ram’s horn,” the cornu ammonis. The term “hippocampus” (Ancient Greek: ἱππόκαμπος, from ἵππος “horse” and κάμπος “sea monster” or “seahorse”) was first coined in the 16th century by the anatomist J.C. Arantius. The term “hippocampal formation” is currently applied to a group of cytoarchitectonically distinct adjacent regions, including, along with the hippocampus itself, the dentate gyrus, subiculum, presubiculum, parasubiculum, and entorhinal cortex. The rationale for including these six regions in the hippocampal formation group is that they are connected to each other by unique and largely unidirectional pathways. The review is devoted to the spatial, morphological, and cyto- and myeloarchitectonic organization of all parts of the rat hippocampal formation and the distinctive neuroanatomical characteristics of its parts. The comparative features of the structure of the hippocampal formation of rats, monkeys, and human beings are described. Although the volume of the hippocampus is approximately ten times larger in monkeys and 100 times larger in human beings than in rats, the basic architecture of the hippocampal formation is common, although there are some species differences. The relatively simple organization of the main cell layers, combined with the highly organized laminar distribution of hippocampal neuronal processes, facilitates its use as a model system in modern neurobiology.</p>","PeriodicalId":9705,"journal":{"name":"Cell and Tissue Biology","volume":"19 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Cell and Tissue Biology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1134/s1990519x24010115","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Biochemistry, Genetics and Molecular Biology","Score":null,"Total":0}
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Abstract
The review examines historical aspects of hippocampal nomenclature. His anatomical study began with the ancient Greeks, who named the unusual-looking structure the “ram’s horn,” the cornu ammonis. The term “hippocampus” (Ancient Greek: ἱππόκαμπος, from ἵππος “horse” and κάμπος “sea monster” or “seahorse”) was first coined in the 16th century by the anatomist J.C. Arantius. The term “hippocampal formation” is currently applied to a group of cytoarchitectonically distinct adjacent regions, including, along with the hippocampus itself, the dentate gyrus, subiculum, presubiculum, parasubiculum, and entorhinal cortex. The rationale for including these six regions in the hippocampal formation group is that they are connected to each other by unique and largely unidirectional pathways. The review is devoted to the spatial, morphological, and cyto- and myeloarchitectonic organization of all parts of the rat hippocampal formation and the distinctive neuroanatomical characteristics of its parts. The comparative features of the structure of the hippocampal formation of rats, monkeys, and human beings are described. Although the volume of the hippocampus is approximately ten times larger in monkeys and 100 times larger in human beings than in rats, the basic architecture of the hippocampal formation is common, although there are some species differences. The relatively simple organization of the main cell layers, combined with the highly organized laminar distribution of hippocampal neuronal processes, facilitates its use as a model system in modern neurobiology.
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The journal publishes papers on vast aspects of cell research, including morphology, biochemistry, biophysics, genetics, molecular biology, immunology. The journal accepts original experimental studies, theoretical articles suggesting novel principles and approaches, presentations of new hypotheses, reviews highlighting major developments in cell biology, discussions. The main objective of the journal is to provide a competent representation and integration of research made on cells (animal and plant cells, both in vivo and in cell culture) offering insight into the structure and functions of live cells as a whole. Characteristically, the journal publishes articles on biology of free-living and parasitic protists, which, unlike Metazoa, are eukaryotic organisms at the cellular level of organization.
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