https://stream.echo6.co/videos/watch/fbad35ba-2c62-4490-8be5-bfcc1e0d3d3f Official Ninja Nerd Website: https://ninjanerd.org Ninja Nerds! In this cardiovascular physiology lecture, Professor Zach Murphy explores the vital topic of microcirculation—blood flow through the smallest vessels, including arterioles, capillaries, and venules. This lecture focuses on how nutrients, gases, and waste products are exchanged between the blood and tissues, and how local blood flow is finely regulated at the microvascular level. We begin by detailing the microvascular components' structural organization and functional roles, emphasizing arterioles as resistance vessels, capillaries as exchange sites, and venules in volume collection. Zach walks you through diffusion, filtration, and reabsorption mechanisms, tying in Starling forces and oncotic vs. hydrostatic pressure gradients. You’ll also learn about the influence of precapillary sphincters, metarterioles, and vasoactive substances (like nitric oxide and endothelin) on the regulation of local perfusion. Clinical insights include the pathophysiology of edema, shock, and inflammatory responses, which directly impact capillary exchange dynamics. Enjoy the lecture and support us below! 🌐 Official Links Website: https://www.ninjanerd.org Podcast: https://podcast.ninjanerd.org Store: https://merch.ninjanerd.org 📱 Social Media https://www.tiktok.com/@ninjanerdlectures https://www.instagram.com/ninjanerdlectures https://www.facebook.com/ninjanerdlectures https://x.com/ninjanerdsci/ https://www.linkedin.com/company/ninja-nerd/ 💬 Join Our Community Discord: https://discord.gg/3srTG4dngW #ninjanerd #cardiovascular #microcirculation Wed, 15 Apr 2026 11:11:32 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/fbad35ba-2c62-4490-8be5-bfcc1e0d3d3f All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.