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Specific (Adaptive) Immunity | Humoral and Cell-Mediated Responses

CORRECTION: What I labeled "CD4+" in the diagram is actually the "TCR," which stands for "T-Cell Receptor." The CD4 glycoprotein is a coreceptor with the TCR, but it's not shown in my diagram. ----- 📗 MY COMPLETE GUIDE to the LYMPHATIC & IMMUNE SYSTEMS 🦠 https://store.siebertscience.com/prod... 🧑🏽‍🎓Learning anatomy & physiology? Check out these resources I've made to help you learn! ↙️ 📗 FREE A&P SURVIVAL GUIDE 🧠 https://siebertscience.ck.page/anatom... 📘 A&P STUDY CARDS 🫀 https://store.siebertscience.com/prod... 🫁 COMPLETE LIST OF ALL MY A&P VIDEOS 💀 https://www.siebertscience.com/scienc... 🧠 COMPREHENSIVE A&P SYSTEM GUIDES 👀 https://store.siebertscience.com ----- 🩻 Support the channel and get access to blank and labeled diagrams for all of my anatomy & physiology videos! -   / siebertscience   ----- This is how our bodies learn to identify a new pathogen and develop immunity to that pathogen in the future. 0:00 Introduction 0:48 A Wild Pathogen Appears! 2:11 Phagocytosis and Presenting the Antigen 3:27 T-Helper Cells 4:29 Humoral Response (B-Cells and Antibodies!) 7:07 Cell-Mediated Response (Killer T-Cells!) 9:18 Recap 11:13 More bad acting... _____ Image used: “6VSB spike protein SARS-CoV-2 monomer in homotrimer” https://commons.wikimedia.org/wiki/Fi..., 5-HT2AR, CC0, via Wikimedia Commons