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Results 1 - 4 of 4 for ts
  1. Vaccines Video 
    ... cells. White blood cells, such as B and T cells, help fend off foreign invaders. When antigens ... engulf the antigens. The macrophages then signal to T-cells that the antigens are invading. Killer T ...
    https://medlineplus.gov/ency/anatomyvideos/000137.htm -
  2. Immune response Video 
    ... which form in bone marrow. One group, called T-lymphocytes or T-cells, migrates to a gland called the thymus. ... that causes AIDS. HIV attacks and destroys helper T cells. The other group of lymphocytes are called ...
    https://medlineplus.gov/ency/anatomyvideos/000073.htm -
  3. Ultrasound Video 
    ... areas like the chambers of the heart don't reflect sound waves. So they show up as ...
    https://medlineplus.gov/ency/anatomyvideos/000134.htm -
  4. Sun's effect on skin Video 
    ... kill skin cells. People, especially those who don’t have much melanin and who sunburn easily, should ...
    https://medlineplus.gov/ency/anatomyvideos/000125.htm -