Did you know we are still discovering completely new pieces of our anatomies? Even in the last decade, we've found multiple new body parts, including some you can see with the naked eye! Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg ---------- 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: Interstitium www.nature.com/articles/s41598-018-23062-6 nyulangone.org/news/researchers-find-new-organ-missed-gold-standard-methods-visualizing-anatomy-disease journals.physiology.org/doi/full/10.1152/physrev.00037.2011 www.ncbi.nlm.nih.gov/books/NBK53446/ Dua’s layer www.aaojournal.org/article/S0161-6420(13)00020-1/abstract www.medscape.com/viewarticle/806610 www.the-scientist.com/the-nutshell/new-structure-found-in-human-cornea-39173 www.sciencedaily.com/releases/2013/06/130611084216.htm Transcortical capillaries www.nature.com/articles/s42255-018-0016-5.pdf www.sci-news.com/medicine/trans-cortical-vessels-06839.html www.sciencedaily.com/releases/2019/01/190130103812.htm www.ncbi.nlm.nih.gov/pmc/articles/PMC7118262/ Brain lymphatics elifesciences.org/articles/29738 www.nih.gov/news-events/nih-research-matters/brain-cleaning-system-uses-lymphatic-vessels www.nature.com/articles/s41591-019-0417-3 www.nature.com/articles/nature14432.pdf www.nia.nih.gov/health/what-happens-brain-alzheimers-disease www.sciencedirect.com/science/article/pii/S030100821730062X?casa_token=ixU-NhJD04YAAAAA:XmS7MtCn4EokXgIU0MCClPat8Q5r6SszEm6qA-nN9E1E5yMdabD2-hsPvPr79l5tUE6lmPHCmf0 Image Sources: www.eurekalert.org/multimedia/pub/166220.php?from=388861 www.nature.com/articles/s41598-018-23062-6 commons.wikimedia.org/wiki/File:SD-OCT_Corneal_Cross-Section.png www.flickr.com/photos/keratomania/8715075788 www.flickr.com/photos/nationaleyeinstitute/28021474805/in/photolist-JGaocX-JGaofc-7ur9Xg-8yyGGf-9agnht-5wB7Fg-2hxcpBC-5wFrXy-2ehz2pf-XwhMxC-YQsZdK-JAC2N8-JhwcMW-L9EhUY-26as34o-jkHJUx-5wB7Gv-9uHoVm-9uEoJT-VVwu9s-gqaXAv-XAmeUK-JhwcdE-G84gxV-Jhwcvy-XGeZH5-eh83po-cuFiBm-9Q1aUk-drKwYH-98eBih-42H3X-duGMpm-bCLpmV-5cdALv-7RhSci-sTMYu-CFARyy-SX8DFi-4Ktwzc-bbCSyt-VzDktB-WAsVCd-2hkw3dh-objC61-BJ9xGk-GMXQi-oZve9b-xREv9V-2eumFa1 commons.wikimedia.org/wiki/File:Cornea_transplant800.jpg www.flickr.com/photos/146824358@N03/41068141944/ upload.wikimedia.org/wikipedia/commons/a/a5/Blood_cell_crossing_vascular_sinus_wall_-_TEM.jpg www.flickr.com/photos/nihgov/37484649246/in/photolist-Z7oCgY www.flickr.com/photos/nichd/22040991765/in/album-72157652207729612/ elifesciences.org/articles/29738/figures