{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T05:46:43Z","timestamp":1776404803025,"version":"3.51.2"},"reference-count":36,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2020,8,25]],"date-time":"2020-08-25T00:00:00Z","timestamp":1598313600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100011492","name":"Institute for Biospheric Studies, Yale University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100011492","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Morphology"],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Recent studies have demonstrated a mechanism of embryonic yolk processing in lizards, snakes and turtles that differs markedly from that of birds. In the avian pattern, cells that line the inside of the yolk sac take up products of yolk digestion and deliver nutrients into the vitelline circulation. In contrast, in squamates and turtles, proliferating endodermal cells invade and fill the yolk sac cavity, forming elongated strands of yolk\u2010filled cells that surround small blood vessels. This arrangement provides a means by which yolk material becomes cellularized, digested, and transported for embryonic use. Ultrastructural observations on late\u2010stage\n                    <jats:italic>Alligator mississippiensis<\/jats:italic>\n                    eggs reveal elongated, vascular strands of endodermal cells within the yolk sac cavity. The strands of cells are intermixed with free yolk spheres and clumps of yolk\u2010filled endodermal cells, features that reflect early phases in the yolk\u2010processing pattern. These observations indicate that yolk processing in\n                    <jats:italic>Alligator<\/jats:italic>\n                    is more like the pattern of other reptiles than that of birds.\n                  <\/jats:p>","DOI":"10.1002\/jmor.21252","type":"journal-article","created":{"date-parts":[[2020,8,25]],"date-time":"2020-08-25T15:18:41Z","timestamp":1598368721000},"page":"953-958","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["How do Crocodylian embryos process yolk? Morphological evidence from the American alligator,\n                    <scp>\n                      <i>Alligator mississippiensis<\/i>\n                    <\/scp>"],"prefix":"10.1002","volume":"282","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0446-6102","authenticated-orcid":false,"given":"Daniel G.","family":"Blackburn","sequence":"first","affiliation":[{"name":"Department of Biology, and Electron Microscopy Center Trinity College Hartford Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Madeline S.","family":"Barnes","sequence":"additional","affiliation":[{"name":"Department of Biology, and Electron Microscopy Center Trinity College Hartford Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles D.","family":"Reimers","sequence":"additional","affiliation":[{"name":"Department of Biology, and Electron Microscopy Center Trinity College Hartford Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Farahana A.","family":"Appiah","sequence":"additional","affiliation":[{"name":"Department of Biology, and Electron Microscopy Center Trinity College Hartford Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luisa L.","family":"Lestz","sequence":"additional","affiliation":[{"name":"Department of Biology, and Electron Microscopy Center Trinity College Hartford Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laurie J.","family":"Bonneau","sequence":"additional","affiliation":[{"name":"Department of Biology, and Electron Microscopy Center Trinity College Hartford Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Hanson","sequence":"additional","affiliation":[{"name":"Department of Geology and Geophysics Yale University New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Smith\u2010Paredes","sequence":"additional","affiliation":[{"name":"Department of Geology and Geophysics Yale University New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bhart\u2010Anjan","family":"Bhullar","sequence":"additional","affiliation":[{"name":"Department of Geology and Geophysics Yale University New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,8,25]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1086\/physzool.68.1.30163919"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-1-4831-9951-1.50009-7"},{"key":"e_1_2_10_4_1","volume-title":"Vertebrate paleontology","author":"Benton M. 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