Photosynthesis - Factors. 1  There are three main factors affecting photosynthesis and several corollary factors. 2  Light irradiance and wavelength. 3  Carbon dioxide concentration. 4  Temperature.
Indolent B-cell lymphomas that are supposed to derive from the marginal zone (marginal zone lymphomas) include three specific entities: extranodal marginal zone lymphoma or mucosa-associated lymphatic tissue (MALT) lymphoma, splenic marginal zone lymphomas (SMZLs), and nodal marginal zone lymphomas (NMZLs).
1 Lymphoid tissue has several different structural organizations related to its particular function in the immune response. 2  Several types of cells are included in the lymphoid systemâfor example, reticular cells and white blood cells such as macrophages and lymphocytes.