{"id":8449,"date":"2019-05-22T16:07:49","date_gmt":"2019-05-22T16:07:49","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/monozygotic_twins\/"},"modified":"2019-05-22T16:07:49","modified_gmt":"2019-05-22T16:07:49","slug":"monozygotic_twins","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/monozygotic_twins\/","title":{"rendered":"Monozygotic twins"},"content":{"rendered":"<p>A pair of twins created from a single fertilized egg. &nbsp;They usually share one placenta, one chorion, and two amniotic sacs, and in rare cases they share one of each (see figure below). &nbsp;Like dizygotic twins, their monozygotic counterparts can sometimes have fused placentas or two separate placentas. &nbsp;In the latter case, the twin-to-twin transfusion syndrome does not occur, which is a disease of the placenta affecting the pregnancies of monozygotic twins due to the fact they have a common monochorionic placenta (in some instances, there may be unequal sharing of nutrients and oxygen supplied by the placenta, leading to one twin becoming growth restricted).<\/p>\n<\/p>\n<p><img decoding=\"async\" src=\"..\/wp-content\/uploads\/2019\/05\/monozy.png\" \/><\/div>\n<\/div>\n<div style=\"text-align: center;\" class=\"\">The relationships among the chorion the amnion, and the placenta for monozygotic (MZ) and dizygotic (DZ) twins.&nbsp;<\/div>\n<p><\/p>\n<div>See Amnion (or amniotic sac), Chorion, Differential parenting, Dizygotic twins, Human Connectome Project, Placenta, Zygosity<\/div>\n<\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A pair of twins created from a single fertilized egg. &nbsp;They usually share one placenta, one chorion, and two amniotic sacs, and in rare cases they share one of each (see figure below). &nbsp;Like dizygotic twins, their monozygotic counterparts can sometimes have fused placentas or two separate placentas. &nbsp;In the latter case, the twin-to-twin transfusion &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/monozygotic_twins\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Monozygotic twins&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2],"class_list":["post-8449","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-glossary","entry"],"_links":{"self":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/comments?post=8449"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8449\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=8449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=8449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=8449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}