There’s one kind of tumor that’s basically straight out of a horror movie... Hosted by: Olivia Gordon Head to scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: citeseerx.ist.psu.edu/viewdoc/download;jsessionid=0FB6084B0AAE28F16FA229233A3AFCE7?doi=10.1.1.290.7541&rep=rep1&type=pdf www.ncbi.nlm.nih.gov/pmc/articles/PMC2814927/ www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=90&contentid=p02725 www.ncbi.nlm.nih.gov/pubmed/21432780 onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2605.1981.tb00651.x biology.kenyon.edu/courses/biol114/Chap14/Chapter_14A.html www.the-scientist.com/?articles.view/articleNo/12717/title/A-Stem-Cell-Legacy--Leroy-Stevens/ www.ncbi.nlm.nih.gov/pmc/articles/PMC349323/?page=1 www.sciencedirect.com/science/article/pii/0012160670901302?via%3Dihub www.ncbi.nlm.nih.gov/pmc/articles/PMC4567366/ www.nature.com/stemcells/2009/0903/090305/full/stemcells.2009.36.html academic.oup.com/biomedgerontology/article/58/3/M279/684137 www.ncbi.nlm.nih.gov/books/NBK133287/ Images: commons.wikimedia.org/wiki/File:Types_of_tumor_cells.jpg commons.wikimedia.org/wiki/File:Mature_cystic_teratoma_of_ovary.jpg commons.wikimedia.org/wiki/File:Ovarian_teratoma.jpg commons.wikimedia.org/wiki/File:Teratoma_2_low_mag.jpg commons.wikimedia.org/wiki/File:Humanstemcell.JPG