HUMORAL IMMUNITY vs CELL MEDIATED IMMUNITY

00:02:13
https://www.youtube.com/watch?v=HXB7M_GIf-g

Resumen

TLDRThe video explains the distinction between humoral and cell-mediated immunity. The humoral immune response relies on B cells and antibodies for immediate defense against pathogens, while the cell-mediated response involves T cells and other immune cells to recognize and respond to specific antigens, providing protection against various challenges such as bacteria, viruses, and transplants.

Para llevar

  • 🛡️ Humoral immunity involves B cells and antibodies for immediate protection.
  • 🔍 Antibodies bind to specific areas called epitopes on pathogens.
  • 🔄 The primary and secondary immune responses are triggered upon pathogen entry.
  • 🩸 Conditions related to humoral immunity include anaphylactic shock and eczema.
  • 🔬 Cell-mediated immunity is characterized by T cell recognition of antigens.
  • 💨 Delayed hypersensitivity is a key feature of cell-mediated immunity.
  • 🔗 Cell-mediated response is crucial for transplant rejection.
  • 🦠 Conditions like tuberculosis and toenail fungus evoke cell-mediated response.

Cronología

  • 00:00:00 - 00:02:13

    The video discusses the differences between humoral immunity and cell-mediated immunity. Humoral immunity is primarily driven by B cells and antibodies, offering immediate protection against pathogens, including bacteria and viruses. Antibodies, produced from plasma cells, bind to specific epitopes on pathogens, showcasing the specificity of the immune response. In contrast, cell-mediated immunity involves T cells and is characterized by its delayed response to specific antigens, offering protection against bacteria, viruses, tumor cells, and fungi. Both immune responses play vital roles in the body's defense mechanisms, with examples of conditions attributed to each type.

Mapa mental

Vídeo de preguntas y respuestas

  • What is humoral immunity?

    Humoral immunity is an immune response primarily involving B cells and antibodies, providing immediate protection against pathogens.

  • What cells are involved in cell-mediated immunity?

    Cell-mediated immunity involves T cells, macrophages, and NK cells.

  • What are examples of humoral immunity conditions?

    Examples include anaphylactic shock, eczema, transfusion reactions, and bacterial or viral infections.

  • What triggers a cell-mediated immune response?

    A cell-mediated immune response is triggered when a T cell recognizes a specific antigen.

  • What types of pathogens does cell-mediated immunity protect against?

    Cell-mediated immunity protects against bacteria, viruses, tumor cells, and fungi.

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Desplazamiento automático:
  • 00:00:03
    welcome to the video on hemorrhoidal
  • 00:00:05
    versus cell mediated immunity
  • 00:00:08
    the humoral immune response is all about
  • 00:00:10
    the b cells and antibodies
  • 00:00:13
    its main function is to provide
  • 00:00:15
    immediate protection
  • 00:00:16
    against many bacteria and viruses
  • 00:00:20
    since antibodies are produced from
  • 00:00:22
    plasma cells
  • 00:00:24
    this is why this type of immunity gets
  • 00:00:26
    its name
  • 00:00:28
    the greek word humor refers to body
  • 00:00:30
    fluid
  • 00:00:33
    once a pathogen enters the body then
  • 00:00:36
    either the primary
  • 00:00:37
    or the secondary immune response would
  • 00:00:39
    happen
  • 00:00:40
    as we reviewed in the previous video
  • 00:00:44
    i want to elaborate a bit further on
  • 00:00:46
    that topic though in regard to the
  • 00:00:48
    antigen antibody binding
  • 00:00:51
    so when a large molecule enters the body
  • 00:00:53
    it usually comes with many different
  • 00:00:55
    antigens
  • 00:00:57
    antibodies recognize very specific areas
  • 00:01:00
    on that molecule
  • 00:01:01
    which are called epitopes or antigenic
  • 00:01:04
    determinants
  • 00:01:06
    the matching area on the antibody is
  • 00:01:08
    called the perito
  • 00:01:10
    or antigen binding site
  • 00:01:14
    examples of humoral immunity include
  • 00:01:17
    anaphylactic shock
  • 00:01:19
    eczema transfusion reactions
  • 00:01:22
    and bacterial viral infections
  • 00:01:27
    a cell mediated response happens after a
  • 00:01:30
    t cell recognizes a specific antigen
  • 00:01:34
    it's also called delayed
  • 00:01:35
    hypersensitivity
  • 00:01:38
    the main immune cells involved are of
  • 00:01:40
    course the t cells
  • 00:01:42
    macrophages and in k cells
  • 00:01:46
    like the humoral response the cellular
  • 00:01:48
    response protects against bacteria and
  • 00:01:50
    viruses
  • 00:01:52
    and also protects against tumor cells
  • 00:01:54
    and fungi
  • 00:01:57
    examples of conditions evoking a
  • 00:01:58
    cell-mediated immune response
  • 00:02:00
    are toenail fungus tuberculosis
  • 00:02:04
    contact dermatitis and transplant
  • 00:02:11
    rejection
Etiquetas
  • humoral immunity
  • cell-mediated immunity
  • B cells
  • T cells
  • antibodies
  • immune response
  • antigens
  • epitopes
  • hypersensitivity
  • pathogens