Humoral Immunity | The B-Lymphocytes | Immunology | Physiology

Humoral Immunity | B-Cell Immunity | The B-Lymphocytes | Immunology | Physiology.
The B-lymphocytes start as naive B-cells, then they recognize the antigen and mature. Next, they will change into Memory B-cells, and Plasma cells. Plasma cells secrete antibodies (immunoglobulins or gammaglobulins). These antibodies are IgM, IgG, IgE, IgA, and IgD. Each immunoglobulin has 2 heavy chains and 2 light chains..
Lectures for USMLE, MCAT, DAT, NEET, NEETPG, NCLEX, COMLEX, PLAB.
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Пікірлер: 103

  • @unknown-mb6zt
    @unknown-mb6zt2 жыл бұрын

    I mean why the heck our professors are not explaining things that simple as you Thank you for your hard work keep it up

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you so much ☺️

  • @wendyvasquez9755

    @wendyvasquez9755

    Жыл бұрын

    Unfortunately many no longer know how to teach and just read slides to students and get upset when questions are asked.

  • @medicmonics...3711
    @medicmonics...3711 Жыл бұрын

    Oh my Gosh! ... A genius who lived in my Generation. More blessings to your memory 🙏

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you 😊

  • @medicmonics...3711

    @medicmonics...3711

    Жыл бұрын

    @@MedicosisPerfectionalis ❤️

  • @mohamedabdussalam4507

    @mohamedabdussalam4507

    Жыл бұрын

    Wonderful!!

  • @adtsthete
    @adtsthete2 жыл бұрын

    enjoyed and thank you for the idea of waiter being the APC and his plate being the antigen i loved it sm

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Wow 🤩 Cool 😎 Thank you so much 😊

  • @piadt9588
    @piadt95887 ай бұрын

    omg omg omg 😂 this is literally a work of art thank you so much for sharing your intelligence with us.

  • @Mary-bx6dz
    @Mary-bx6dz Жыл бұрын

    Thanks! Also the variable domains are just the outer domains of the Fab fragments. A single Fab fragment has four domains, two of which bind the antigen (heavy chain variable and light chain variable, VH and VL on this diagram) and two of which don't participate in binding (heavy chain constant 1 and light chain constant, CH and CL on this diagram).

  • @hafsashafi4169
    @hafsashafi4169 Жыл бұрын

    I love you, you're a life saver I was LITERALLY struggling with the way my professor teaches but you made it all so easy 😭❤️

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    I am so glad that my videos help! Would you please help me by sharing?

  • @linkpd
    @linkpd11 ай бұрын

    Master class! Greetings from Venezuela

  • @kingsleyyuan4311
    @kingsleyyuan4311 Жыл бұрын

    incredible illustration, I absolutely like the ways u explain things... u made complicated things become ez to understand

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Happy to hear that!

  • @anastassianelson4119
    @anastassianelson41192 жыл бұрын

    This makes me so happy. Thank you for this wonderful material.

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    My pleasure 😇

  • @mntmnt1234
    @mntmnt12342 жыл бұрын

    Perfect and enjoyable demonstration Doc; keep it up

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you 🙏

  • @joepie3030
    @joepie3030Ай бұрын

    You make me learn 2 hours worth of lectures in 12 minutes

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Ай бұрын

    I am so delighted!

  • @kid8440
    @kid84405 ай бұрын

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  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    5 ай бұрын

    You got this! I wish you all the success in the world!

  • @kid8440

    @kid8440

    5 ай бұрын

    @@MedicosisPerfectionalis thank u!

  • @wmyat5262
    @wmyat5262 Жыл бұрын

    I didn't know that learning medicine would be that enjoyable. Kudos to you!!!

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Glad you enjoyed it!

  • @rauminah.g
    @rauminah.g Жыл бұрын

    this is just what i wanted.can you please make the fonts a bit bigger or typed plz? It would be great for almost blind people like me🙂

  • @henrygavinorodriguezcarril2270
    @henrygavinorodriguezcarril22702 жыл бұрын

    I love it, thank you so much... Greetings from Perú

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you 🙏

  • @yasminsade495
    @yasminsade495 Жыл бұрын

    Thank you for your hard work ❤ its awesome and useful 😍

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    I appreciate you!

  • @nirwansendraperiera2043
    @nirwansendraperiera204311 ай бұрын

    Love from Philippines 🇵🇭 💕 💖 ❤️ 💓 amazing!

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    11 ай бұрын

    Thank you so much! Would you please help me by sharing?

  • @nirwansendraperiera2043

    @nirwansendraperiera2043

    11 ай бұрын

    @@MedicosisPerfectionalis of course sir my pleasure 🥰

  • @TheAwassyable
    @TheAwassyable Жыл бұрын

    Love it❤ Thank you bro!

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    11 ай бұрын

    Thank you!

  • @saadiemvita7902
    @saadiemvita7902 Жыл бұрын

    Thank you for understanding lecture 🙏🏻🥰

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    My pleasure 😇

  • @rekhakadam6393
    @rekhakadam63932 жыл бұрын

    Beautiful. Exhaustive piece of work. Thank you so much 🙏🏻🙏🏻

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you 🙏

  • @AthouPhilip
    @AthouPhilip Жыл бұрын

    Thanks a lot ur explanations r always perfect and helpful🥰🥰

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    I appreciate you!

  • @muhammadaliaslam4023
    @muhammadaliaslam40232 жыл бұрын

    As as you said in ur lec Antigen Presenting Cells present Antigen via MHCs to either B Lymphocytes or T lymphocytes but later on we study APCs have MCH II molecules which can interact with Only CD4+ or T helper cells only. Do APCs also have MHC I as they are nucleated too?

  • @sumaiyaislam9377
    @sumaiyaislam9377 Жыл бұрын

    Loved it❤️❤️so greatful..🥺

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you so much, Sumaiya! Would you please help me by sharing?

  • @collinskiprotich9286
    @collinskiprotich9286 Жыл бұрын

    Your approach is so simple, even a 10 year old kid can understand it perfectly,big up

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you so much!

  • @muhammadaliaslam4023
    @muhammadaliaslam40232 жыл бұрын

    Sir in your slide 'The Antibody in action' you showed a macrophage with Antibody attached to it No MHC no lymphocytes involvement?

  • @user-pz3gl4rx6s
    @user-pz3gl4rx6s2 жыл бұрын

    Thanks doctor

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    My pleasure 😇

  • @ayoubaljafaari2798
    @ayoubaljafaari27982 жыл бұрын

    I literally watch your videos instead of my university lecture and I'm making quick progress. I'll try to share your channel with my colleagues. Do you have any playlist for periodontist?

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you so much 😊 Unfortunately, I don’t!

  • @kennykaukumangera5916
    @kennykaukumangera5916 Жыл бұрын

    Best explanation

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you 🙏

  • @pholososhamukuni9971
    @pholososhamukuni9971 Жыл бұрын

    dammmm am gonna pass....thank u so much

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    My pleasure 😇

  • @user-ym6uf8ch7g
    @user-ym6uf8ch7g Жыл бұрын

    Thanks!

  • @user-ym6uf8ch7g

    @user-ym6uf8ch7g

    Жыл бұрын

    Thanks for your effort.I’ll be your supporter.After each study I have to watch your lecture to memorize informations cuz I’m suffering from forgetting.

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thanks a ton!

  • @daliadali3763
    @daliadali3763 Жыл бұрын

    thank you 👍🏻

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    My pleasure 😇

  • @user-sq2qf2yt3u
    @user-sq2qf2yt3u Жыл бұрын

    Super 🌸🌸🌸🌸🌸🌸

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you 🙏

  • @user-xk9to4ig2m
    @user-xk9to4ig2m7 ай бұрын

    thank you so much for this video, i can finally understand how the immunity system works, I really appreciate these videos. The art and stories are so entertaining and very educational

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    7 ай бұрын

    You're so welcome! I appreciate you so much! Please help me by sharing my videos with others!

  • @Jess-wk5jo
    @Jess-wk5jo2 жыл бұрын

    Hi are you sure on pulmonary fibrosis and bronchiectasis damaged both lungs because people are staying only damaged one lung not both lungs comfort for me please thank you from jess

  • @kellabae3106
    @kellabae31068 ай бұрын

    You are very good😫😫😫

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    8 ай бұрын

    Thank you 🙏

  • @ped_cane20__
    @ped_cane20__ Жыл бұрын

    Be blessed for simplifying lessons 🌺

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you 😊

  • @AdityaThakur-fv7rg
    @AdityaThakur-fv7rg Жыл бұрын

    these vidoes r so good bc this is acc how i talk to myself as i study LOL

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    😂

  • @sarahhassan1960
    @sarahhassan19609 ай бұрын

    I lost myself when u said the police academy 😂😂😂😭😭 my exam is tmrw and your videos are making me survive

  • @user-vu9st6fd7v
    @user-vu9st6fd7v2 жыл бұрын

    Amazing explanation as always. Thank you so much Medicosis!!

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    My pleasure 😇

  • @sarahperryman7297
    @sarahperryman7297 Жыл бұрын

    I LOOOOOVE this video! I have an exam in a few days and I am confused about one thing in here. Can someone please clarify? If the APC can be a B lymphocyte, then would he only ever present to a T lymphocyte? Otherwise, all non B cells that are APC, present to a B cell?

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    B cells typically present antigens to T cells.

  • @abhimishra4586
    @abhimishra45862 жыл бұрын

    Sir what about dendritic cells... is this a type of antigen presenting cell and can they help in activation of B lymphocytes???? I m glad to get your reply sir thanks..🙏

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Yes! Dendritic cells are equivalent to Langerhans cells in the skin!

  • @abhimishra4586

    @abhimishra4586

    2 жыл бұрын

    @@MedicosisPerfectionalis thank you sir... ❤💕

  • @Jess-wk5jo
    @Jess-wk5jo2 жыл бұрын

    What lung disease affect and damaged both of lungs? Real truth

  • @MedicosisPerfectionalis
    @MedicosisPerfectionalis8 ай бұрын

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  • @spot080
    @spot080 Жыл бұрын

    You are awesomeeeeeeeeeeeeeeeeee

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Жыл бұрын

    Thank you so much, Shanto! Would you please help me by sharing?

  • @spot080

    @spot080

    Жыл бұрын

    @@MedicosisPerfectionalis I already did to my friends😇

  • @mattiasalimbeni8400
    @mattiasalimbeni84002 жыл бұрын

    you made a mistake! actually only T cells receive antigens form the APCs. the antigens presented to the B cells flow autonomously trough lymphatic vessels from the site of infection up to cortical region of lymph nodes where they can meet B cells.

  • @reiwama8890
    @reiwama88908 ай бұрын

    Amazing explanation🤍

  • @galtrost5186
    @galtrost51862 жыл бұрын

    Mate you are a f*cking legend

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you ☺️

  • @MedicosisPerfectionalis
    @MedicosisPerfectionalis Жыл бұрын

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  • @saramikleason2529
    @saramikleason25299 ай бұрын

    Thank youuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu 😢🫡

  • @t-alimichael3363
    @t-alimichael33639 ай бұрын

    Exactly those woke professors, stand there for 2 hours and mumble a bunch of nothing to understand. 10000% Thanks

  • @MedicosisPerfectionalis
    @MedicosisPerfectionalis2 жыл бұрын

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  • @halaelbakly3002
    @halaelbakly30022 жыл бұрын

    👍🌹

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Thank you 🙏

  • @stevebradford3939
    @stevebradford39392 жыл бұрын

    More immuno patho micro plzzzz. I’ll pay u in Egyptian lasagna.

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 жыл бұрын

    Haha 😂 Thank you! How did you know that I love lasagna?

  • @feelingcauliflower
    @feelingcauliflower7 ай бұрын

    parasites ewe allergy eww hahaha thank you for this video

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    7 ай бұрын

    :)

  • @vasiliyb5709
    @vasiliyb5709 Жыл бұрын

    To go with T in P, B in F: Trump and Pence are Best Friends

  • @petitlutin9341
    @petitlutin93415 ай бұрын

    "go to hell, bacteria"

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    5 ай бұрын

    :)