{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T23:04:25Z","timestamp":1790291065775,"version":"4.1.0"},"reference-count":26,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,10,16]],"date-time":"2020-10-16T00:00:00Z","timestamp":1602806400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["anatomypubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Anatomical Record"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Vertebral series in the harbor porpoise (<jats:italic>Phocoena phocoena<\/jats:italic>) include cervical, thoracic, lumbar, and caudal. In contrast to studying skeletons from museums, in which small bones can be missed, evaluation of full body computed tomography (CT) scans provides an overview of the vertebral column, while maintaining interrelationship of all structures. The aim of this study was to document variations in vertebral patterning of the harbor porpoise via evaluation of CT images of intact stranded harbor porpoises. The harbor porpoises were divided into age classes, based on developmental stage of reproductive organs on postmortem examination and closure of proximal humeral physis on CT. Numbers of vertebrae per series, fusion state of the syncervical, type of first hemal arch, number of double articulating ribs, and floating ribs were recorded based on CT images. Included in the study were 48 harbor porpoises (27 males and 21 females), which were divided in two age classes (27 immatures and 21 adults). Total vertebral count varied from 63 to 68 with vertebral formula range C7T12\u201014L12\u201016Cd29\u201033. Twenty\u2010five different vertebral formulas were found, of which C7T13L14Ca30 was the most common (<jats:italic>n<\/jats:italic> =\u20098, 17%). Thoracic vertebrae with six, seven, or eight double articulating ribs and zero, one, or two vertebrae with floating ribs were seen. Four different fusion states of the syncervical and four types of hemal arches were recognized. This study showed a great variation in vertebral patterning in the harbor porpoise, with homeotic and meristic variation in the thoracic, lumbar, and caudal vertebral series.<\/jats:p>","DOI":"10.1002\/ar.24524","type":"journal-article","created":{"date-parts":[[2020,10,4]],"date-time":"2020-10-04T22:35:05Z","timestamp":1601850905000},"page":"968-978","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Vertebral pattern variation in the North Sea harbor porpoise (<i>Phocoena phocoena<\/i>) by computed tomography"],"prefix":"10.1002","volume":"304","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8418-6612","authenticated-orcid":false,"given":"Dorien S.","family":"Willems","sequence":"first","affiliation":[{"name":"Diagnostic Imaging, Department of Clinical Sciences, Faculty of Veterinary Medicine Utrecht University  Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lonneke L.","family":"IJsseldijk","sequence":"additional","affiliation":[{"name":"Division of Pathology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine Utrecht University  Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D. Hendrik N.","family":"van den Broek","sequence":"additional","affiliation":[{"name":"Diagnostic Imaging, Department of Clinical Sciences, Faculty of Veterinary Medicine Utrecht University  Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefanie","family":"Veraa","sequence":"additional","affiliation":[{"name":"Diagnostic Imaging, Department of Clinical Sciences, Faculty of Veterinary Medicine Utrecht University  Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,10,16]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3956(98)90046-2"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1525-142X.2008.00303.x"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-7692.2005.tb01241.x"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1096-3642.2003.00105.x"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1242\/dev.121.2.333"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0070-2153(08)60725-5"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-12-407229-9.00003-8"},{"key":"e_1_2_7_9_1","unstructured":"Evans K. Kemper C. McKenzie J. &McIntosh R..2001.Age determination of marine mammals using tooth structure. The Museum Board of South Australia and the Common Wealth Department of the Environment Water Heritage and the Arts."},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1463-6395.2006.00223.x"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-7580.2005.00381.x"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1139\/z03-181"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-010X(19990415)285:1<19::AID-JEZ3>3.0.CO;2-Z"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0014-3820.2006.tb01896.x"},{"key":"e_1_2_7_15_1","doi-asserted-by":"crossref","unstructured":"IJsseldijkLL KikMJL Gr\u00f6neA. (2019).Postmortaal onderzoek van bruinvissen (Phocoena phocoena) uit Nederlandse wateren 2018.Biologische gegevens gezondheidsstatus en doodsoorzaken. (Tech. Rep. 150 pp. 1\u201334.) 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