amnion | definition

membrane of the egg that protects the embryo from mechanical shock and prevents dehydration


Clark, M., Douglas, M., Choi, J. Biology 2e. Houston, Texas: OpenStax. Access for free at:

Research Article: Properties of viable lyopreserved amnion are equivalent to viable cryopreserved amnion with the convenience of ambient storage

Date Published: October 2, 2018 Publisher: Public Library of Science Author(s): Sandeep Dhall, Malathi Sathyamoorthy, Jin-Qiang Kuang, Tyler Hoffman, Matthew Moorman, Anne Lerch, Vimal Jacob, Steven Michael Sinclair, Alla Danilkovitch, Alexander V. Ljubimov. Abstract: Human amniotic membrane (AM) has a long history of clinical use for wound treatment. AM serves as a wound protective … Continue reading

Research Article: Function and failure of the fetal membrane: Modelling the mechanics of the chorion and amnion

Date Published: March 28, 2017 Publisher: Public Library of Science Author(s): Stefaan W. Verbruggen, Michelle L. Oyen, Andrew T. M. Phillips, Niamh C. Nowlan, Kang Sun. Abstract: The fetal membrane surrounds the fetus during pregnancy and is a thin tissue composed of two layers, the chorion and the amnion. While rupture of this membrane … Continue reading

Research Article: Telomere Fragment Induced Amnion Cell Senescence: A Contributor to Parturition?

Date Published: September 23, 2015 Publisher: Public Library of Science Author(s): Jossimara Polettini, Faranak Behnia, Brandie D. Taylor, George R. Saade, Robert N. Taylor, Ramkumar Menon, Kang Sun. Abstract: Oxidative stress (OS)-induced senescence of the amniochorion has been associated with parturition at term. We investigated whether telomere fragments shed into the amniotic fluid (AF) … Continue reading

Research Article: The Involvement of the Proamnion in the Development of the Anterior Amnion Fold in the Chicken

Date Published: March 19, 2014 Publisher: Public Library of Science Author(s): Ana de Melo Bernardo, Susana M. Chuva de Sousa Lopes, Leonard Eisenberg. Abstract: The amnion was one of the most important evolutionary novelties in the animal kingdom, allowing independence of water for reproduction and subsequent exploration of terrestrial habitats, and is therefore an … Continue reading

Research Article: The Biomechanics of Amnion Rupture: An X-Ray Diffraction Study

Date Published: November 7, 2007 Publisher: Public Library of Science Author(s): Che J. Connon, Takahiro Nakamura, Andy Hopkinson, Andrew Quantock, Naoto Yagi, James Doutch, Keith M. Meek, Joseph Orgel. Abstract: Pre-term birth is the leading cause of perinatal and neonatal mortality, 40% of which are attributed to the pre-term premature rupture of amnion. Rupture of … Continue reading

Research Article: Experimental study of tendon sheath repair via decellularized amnion to prevent tendon adhesion

Date Published: October 16, 2018 Publisher: Public Library of Science Author(s): Chunjie Liu, Kunlun Yu, Jiangbo Bai, Dehu Tian, Guoli Liu, Chunfeng Zhao. Abstract: The adhesion of tendon and surrounding tissue is the most common complication after repairing an injured tendon. The injured flexor tendons in zone II are frequently accompanied by tendon sheath … Continue reading

Research Article: Response of human normal and leukemia cells to factors released by amnion fragments in vitro

Date Published: March 29, 2018 Publisher: Public Library of Science Author(s): Zofia Grzywocz, Grazyna Hoser, Stanislawa Sabalinska, Piotr Ladyzynski, Jaroslaw Czubak, Malgorzata Dworczynska, Romuald Debski, Ewa Pius-Sadowska, Boguslaw Machalinski, Jerzy Kawiak, Maria Cristina Vinci. Abstract: Amnion is a membrane surrounding the embryo/fetus which determine growth factors and interleukins with angiogenic, immunogenic, and anti-inflammatory properties. … Continue reading

Research Article: Human amnion epithelial cells modulate the inflammatory response to ventilation in preterm lambs

Date Published: March 27, 2017 Publisher: Public Library of Science Author(s): Jacqueline M. Melville, Courtney A. McDonald, Robert J. Bischof, Graeme R. Polglase, Rebecca Lim, Euan M. Wallace, Graham Jenkin, Timothy J. Moss, Kang Sun. Abstract: Ventilation of preterm neonates causes pulmonary inflammation that can contribute to lung injury, propagate systemically and result in … Continue reading

Research Article: Amnion-Epithelial-Cell-Derived Exosomes Demonstrate Physiologic State of Cell under Oxidative Stress

Date Published: June 22, 2016 Publisher: Public Library of Science Author(s): Samantha Sheller, John Papaconstantinou, Rheanna Urrabaz-Garza, Lauren Richardson, George Saade, Carlos Salomon, Ramkumar Menon, Kang Sun. Abstract: At term, the signals of fetal maturity and feto-placental tissue aging prompt uterine readiness for delivery by transitioning quiescent myometrium to an active stage. It is … Continue reading

Research Article: Comparison of Angiogenic, Cytoprotective, and Immunosuppressive Properties of Human Amnion- and Chorion-Derived Mesenchymal Stem Cells

Date Published: February 14, 2014 Publisher: Public Library of Science Author(s): Kenichi Yamahara, Kazuhiko Harada, Makiko Ohshima, Shin Ishikane, Shunsuke Ohnishi, Hidetoshi Tsuda, Kentaro Otani, Akihiko Taguchi, Toshihiro Soma, Hiroyasu Ogawa, Shinji Katsuragi, Jun Yoshimatsu, Mariko Harada-Shiba, Kenji Kangawa, Tomoaki Ikeda, Atsushi Asakura. Abstract: Although mesenchymal stem cells (MSCs) can be obtained from the … Continue reading