THE LAND: Afghanistan is known for it's mountainous terrain. The huge Hindu Kush mountains form a barrier between the Northern provinces and the rest of the country. This mountain range has also divided Afghanistan int three very different geographic regions known as; The Central Highlands, The Northern Plains, and the Southwestern Plateau.
â Antibody producing B cells develop into plasma cells â¢ Plasma cells only found in lymphoid organs, not in general circulation or lymph â¢ eccentric nuclei and perinuclear halo (clear region under nucleus) â Clonal expansion leads to development of effector cells or memory cells for both T and B events. Memory cells can survive 20 years or
B-cells become Plasma Cells. When a B-cell receptor connects to its specific antigen, a Helper T-cell releases chemicals that tell that B-cell to divide many times. This makes an army of B-cells with the perfectly shaped B-cell receptor to connect to the invader in your body.Many of these B-cells quickly turn into Plasma cells.how/hide words to know. 1  Antibody: a molecule made by B-cells to trap foreign particles and microbes... 2  Molecule: a chemical structure that has two or more atoms held together by a chemical bond. 3  Plasma cell: an immune cell that comes from B-cells and makes and releases antibodies. 4  Receptor: a molecule on the surface of a cell that receives ...