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Hace 5 días · Prokaryotic cells divide by binary fission, while eukaryotic cells usually undergo a process of nuclear division, called mitosis, followed by division of the cell, called cytokinesis. A diploid cell may also undergo meiosis to produce haploid cells, usually four. Haploid cells serve as gametes in multicellular organisms, fusing to form new ...
Hace 3 días · Google scientists have modelled a fragment of the human brain at nanoscale resolution, revealing cells with previously undiscovered features.
Hace 5 días · T cells are one of two primary types of lymphocytes—B cells being the second type—that determine the specificity of immune response to antigens (foreign substances) in the body. T cells originate in the bone marrow and mature in the thymus .
- The Editors of Encyclopaedia Britannica
Hace 5 días · The target of Florian’s elixir is the immune system. The stem cells she treated are called haematopoietic, or blood, stem cells (HS cells), which give rise to all immune cells.
Hace 4 días · Google DeepMind has unveiled an artificial intelligence model of life’s building blocks and their interactions within cells, boosting efforts to unlock secrets of disease and find treatments for ...
Hace 5 días · Diverse, specialized immune cells defend against pathogens and cancer cells. A new study reveals the comprehensive lipid compositions of these cells, with unique lipidomes associated with...
Hace 5 días · B cell, one of the two types of lymphocytes (the other is the T cells). All lymphocytes begin their development in the bone marrow. B cells are involved in so-called humoral immunity. On encountering a foreign substance (antigen), the B cell differentiates into a plasma cell, which secretes.
