{"id":"https://openalex.org/W2307586887","doi":"https://doi.org/10.14670/hh-19.445","title":"Involution of seminiferous tubules in aged hamsters: an ultrastructural, immunohistochemical and quantitative morphological study.","display_name":"Involution of seminiferous tubules in aged hamsters: an ultrastructural, immunohistochemical and quantitative morphological study.","publication_year":2004,"publication_date":"2004-04-01","ids":{"openalex":"https://openalex.org/W2307586887","doi":"https://doi.org/10.14670/hh-19.445","mag":"2307586887","pmid":"https://pubmed.ncbi.nlm.nih.gov/15024705"},"language":"en","primary_location":{"id":"pmid:15024705","doi":"https://doi.org/10.14670/hh-19.445","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15024705","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Histology and histopathology","raw_type":"Journal Article"},"volume":null,"type":"article","indexed_in":["pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10201/21556","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"E Morales","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I80180929","display_name":"Universidad de Murcia","ror":"https://ror.org/03p3aeb86","country_code":"ES","type":"education","lineage":["https://openalex.org/I80180929"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"E Morales","raw_affiliation_strings":["Department of Cellular Biology, Medical School, University of Murcia, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cellular Biology, Medical School, University of Murcia, Spain","institution_ids":["https://openalex.org/I80180929"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058503710","display_name":"R Horn","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R Horn","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111451416","display_name":"Luis Miguel Pastor","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L M Pastor","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049826457","display_name":"Luis Santamar\u0131\u0301a","orcid":"https://orcid.org/0000-0001-6560-2502","observed_orcids":["https://orcid.org/0000-0001-6560-2502"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L Santamar\u00eda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019045982","display_name":"Jacinto Pallar\u00e9s","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J Pallar\u00e9s","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042433860","display_name":"Adelina Zuasti","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A Zuasti","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103172162","display_name":"Concepci\u00f3n Ferrer","orcid":"https://orcid.org/0000-0002-8077-5716","observed_orcids":["https://orcid.org/0000-0002-8077-5716"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C Ferrer","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5110037519","display_name":"Manuel Canteras","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M Canteras","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5941,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.75937847,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"19","issue":"2","first_page":"445","last_page":"55"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10116","display_name":"Sperm and Testicular Function","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10116","display_name":"Sperm and Testicular Function","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10364","display_name":"Reproductive Biology and Fertility","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11146","display_name":"Hormonal and reproductive studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/seminiferous-tubules","display_name":"seminiferous tubules","score":0.9520000219345093},{"id":"https://openalex.org/keywords/aging","display_name":"aging","score":0.7129999995231628},{"id":"https://openalex.org/keywords/testis","display_name":"testis","score":0.5379999876022339},{"id":"https://openalex.org/keywords/hypospermatogenesis","display_name":"hypospermatogenesis","score":0.7609999775886536},{"id":"https://openalex.org/keywords/spermiogenesis","display_name":"spermiogenesis","score":0.8410000205039978},{"id":"https://openalex.org/keywords/sertoli-cells","display_name":"Sertoli cells","score":0.824999988079071},{"id":"https://openalex.org/keywords/germ-cell-degeneration","display_name":"germ cell degeneration","score":0.9700000286102295},{"id":"https://openalex.org/keywords/lamina-propria","display_name":"lamina propria","score":0.8019999861717224},{"id":"https://openalex.org/keywords/extracellular-matrix","display_name":"extracellular matrix","score":0.9409999847412109},{"id":"https://openalex.org/keywords/laminin","display_name":"laminin","score":0.9959999918937683},{"id":"https://openalex.org/keywords/fibronectin","display_name":"fibronectin","score":1.0},{"id":"https://openalex.org/keywords/hamster","display_name":"hamster","score":0.6000000238418579}],"concepts":[{"id":"https://openalex.org/C2777310793","wikidata":"https://www.wikidata.org/wiki/Q1725675","display_name":"Lamina propria","level":3,"score":0.8446782827377319},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6865902543067932},{"id":"https://openalex.org/C2778619154","wikidata":"https://www.wikidata.org/wiki/Q3493046","display_name":"Spermiogenesis","level":3,"score":0.6841366291046143},{"id":"https://openalex.org/C2779333224","wikidata":"https://www.wikidata.org/wiki/Q809756","display_name":"Basal lamina","level":3,"score":0.6129481196403503},{"id":"https://openalex.org/C123765429","wikidata":"https://www.wikidata.org/wiki/Q36961","display_name":"Spermatogenesis","level":2,"score":0.6050618290901184},{"id":"https://openalex.org/C2778054371","wikidata":"https://www.wikidata.org/wiki/Q503431","display_name":"Seminiferous tubule","level":4,"score":0.6032370328903198},{"id":"https://openalex.org/C529295009","wikidata":"https://www.wikidata.org/wiki/Q41301","display_name":"Epithelium","level":2,"score":0.5641927719116211},{"id":"https://openalex.org/C2781068068","wikidata":"https://www.wikidata.org/wiki/Q195614","display_name":"Sertoli cell","level":3,"score":0.5541427135467529},{"id":"https://openalex.org/C2779814568","wikidata":"https://www.wikidata.org/wiki/Q58345","display_name":"Laminin","level":3,"score":0.5098332762718201},{"id":"https://openalex.org/C2778614373","wikidata":"https://www.wikidata.org/wiki/Q7908033","display_name":"Vacuolization","level":2,"score":0.49345484375953674},{"id":"https://openalex.org/C2778575167","wikidata":"https://www.wikidata.org/wiki/Q6573","display_name":"Hamster","level":2,"score":0.47419267892837524},{"id":"https://openalex.org/C87555872","wikidata":"https://www.wikidata.org/wiki/Q3141316","display_name":"Ultrastructure","level":2,"score":0.4681342542171478},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.4120635986328125},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3435264825820923},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.3337031602859497},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.31933072209358215},{"id":"https://openalex.org/C189165786","wikidata":"https://www.wikidata.org/wiki/Q193825","display_name":"Extracellular matrix","level":2,"score":0.2992095947265625},{"id":"https://openalex.org/C95444343","wikidata":"https://www.wikidata.org/wiki/Q7141","display_name":"Cell biology","level":1,"score":0.19496092200279236},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0932140052318573},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005109","descriptor_name":"Extracellular Matrix","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005109","descriptor_name":"Extracellular Matrix","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005109","descriptor_name":"Extracellular Matrix","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005353","descriptor_name":"Fibronectins","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005353","descriptor_name":"Fibronectins","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005353","descriptor_name":"Fibronectins","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D006224","descriptor_name":"Cricetinae","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006224","descriptor_name":"Cricetinae","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006224","descriptor_name":"Cricetinae","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007150","descriptor_name":"Immunohistochemistry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007150","descriptor_name":"Immunohistochemistry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007150","descriptor_name":"Immunohistochemistry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007797","descriptor_name":"Laminin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D007797","descriptor_name":"Laminin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D007797","descriptor_name":"Laminin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008647","descriptor_name":"Mesocricetus","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008647","descriptor_name":"Mesocricetus","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008647","descriptor_name":"Mesocricetus","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008854","descriptor_name":"Microscopy, Electron","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008854","descriptor_name":"Microscopy, Electron","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008854","descriptor_name":"Microscopy, Electron","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000648","qualifier_name":"ultrastructure","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000648","qualifier_name":"ultrastructure","is_major_topic":false},{"descriptor_ui":"D012671","descriptor_name":"Seminiferous Tubules","qualifier_ui":"Q000648","qualifier_name":"ultrastructure","is_major_topic":false},{"descriptor_ui":"D012708","descriptor_name":"Sertoli Cells","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D012708","descriptor_name":"Sertoli Cells","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D012708","descriptor_name":"Sertoli Cells","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D013737","descriptor_name":"Testis","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D013737","descriptor_name":"Testis","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D013737","descriptor_name":"Testis","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"pmid:15024705","doi":"https://doi.org/10.14670/hh-19.445","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15024705","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Histology and histopathology","raw_type":"Journal Article"},{"id":"pmh:oai:hispana.mcu.es:61695350","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10201/21556","pdf_url":null,"source":{"id":"https://openalex.org/S4377196108","display_name":"Hispana","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"mag:2307586887","doi":"https://doi.org/10.14670/hh-19.445","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15024705","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":{"id":"pmh:oai:hispana.mcu.es:61695350","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10201/21556","pdf_url":null,"source":{"id":"https://openalex.org/S4377196108","display_name":"Hispana","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.4000000059604645,"id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W23008142","https://openalex.org/W54749174","https://openalex.org/W86482639","https://openalex.org/W106439166","https://openalex.org/W196849160","https://openalex.org/W1475547180","https://openalex.org/W1508774742","https://openalex.org/W1521935807","https://openalex.org/W1568526841","https://openalex.org/W1584204896","https://openalex.org/W1841008127","https://openalex.org/W1963864681","https://openalex.org/W1967394002","https://openalex.org/W1967477668","https://openalex.org/W1967825815","https://openalex.org/W1976862833","https://openalex.org/W1977989752","https://openalex.org/W1983256454","https://openalex.org/W1983741760","https://openalex.org/W2005437197","https://openalex.org/W2014158863","https://openalex.org/W2018031236","https://openalex.org/W2028173135","https://openalex.org/W2046492951","https://openalex.org/W2049259403","https://openalex.org/W2055615962","https://openalex.org/W2065029394","https://openalex.org/W2075967026","https://openalex.org/W2081676666","https://openalex.org/W2098977949","https://openalex.org/W2099387056","https://openalex.org/W2107028092","https://openalex.org/W2110918369","https://openalex.org/W2117809908","https://openalex.org/W2125088534","https://openalex.org/W2127863745","https://openalex.org/W2133331900","https://openalex.org/W2146491223","https://openalex.org/W2148532873","https://openalex.org/W2149726283","https://openalex.org/W2399648453","https://openalex.org/W2402393700","https://openalex.org/W2406956663","https://openalex.org/W2419576485"],"related_works":["https://openalex.org/W18868400","https://openalex.org/W1914624453","https://openalex.org/W2066319219","https://openalex.org/W316247079","https://openalex.org/W2592210789","https://openalex.org/W2028444662","https://openalex.org/W2001769680","https://openalex.org/W2034719967","https://openalex.org/W2307586887","https://openalex.org/W2110918369"],"abstract_inverted_index":{"In":[0,168],"this":[1],"study,":[2],"we":[3],"examined":[4],"the":[5,18,34,43,73,92,95,98,104,130,147,170,192,203,207,215],"age-related":[6,171],"changes":[7,88,172],"on":[8,17],"morphometric":[9],"parameters":[10],"and":[11,16,39,47,68,111,113,122,139,150,155,184,206,210,222,228],"ultrastructure":[12],"of":[13,20,27,36,45,76,94,100,108,115,133,159,176,191,214],"seminiferous":[14,65,77,134,174,216],"tubules,":[15],"expression":[19],"extracellular":[21],"matrix":[22,201],"proteins":[23],"in":[24,33,42,60,103,137,165,173,181,187,225],"lamina":[25,96,131,148,193],"propria":[26,132,149,194],"Syrian":[28],"hamsters.":[29,167],"A":[30],"significant":[31],"decrease":[32,59,180],"percentage":[35,44],"normal":[37],"tubules":[38,50,78,135,175],"an":[40,185],"increase":[41,186],"hypospermatogenic":[46],"arrested":[48],"maturation":[49],"was":[51,79,127,144,163],"observed":[52],"with":[53,82,89],"aging.":[54,83],"Aged":[55],"animals":[56],"showed":[57],"a":[58,179,197,211],"tubular":[61,63,70,182,188],"diameter,":[62],"lumen,":[64],"epithelium":[66],"volume":[67,158],"total":[69,74,157],"volume.":[71],"However,":[72],"length":[75],"significantly":[80],"increased":[81,164],"The":[84],"most":[85],"important":[86,223],"ultrastructural":[87],"aging":[90],"were":[91],"thickening":[93],"propria,":[97],"presence":[99],"diverse":[101],"abnormalities":[102],"spermiogenesis":[105,227],"process,":[106],"degeneration":[107,221],"germ":[109,219],"cells,":[110],"vacuolization":[112],"flattening":[114],"Sertoli":[116,229],"cells":[117,205],"showing":[118],"abundant":[119],"lipofucsin":[120],"droplets":[121],"residual":[123],"bodies.":[124],"Laminin":[125],"immunoreactivity":[126,143],"found":[128,145],"along":[129,146],"both":[136,226],"young":[138],"aged":[140,166],"animals.":[141],"Fibronectin":[142],"blood":[151],"vessels.":[152],"Both":[153],"laminin":[154],"fibronectin":[156],"immunostaining":[160],"per":[161],"testis":[162],"conclusion,":[169],"hamster":[177],"include:":[178],"width":[183],"length;":[189],"widening":[190],"caused":[195],"by":[196],"more":[198],"extensive":[199],"connective":[200],"between":[202],"peritubular":[204],"basal":[208],"membrane;":[209],"strong":[212],"disarrangement":[213],"epithelium,":[217],"including":[218],"cell":[220,230],"alterations":[224],"structure.":[231]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}