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).
Lymphoid tissue. Written By: Lymphoid tissue, cells and organs that make up the lymphatic system, such as white blood cells (leukocytes), bone marrow, and the thymus, spleen, and lymph nodes. The human lymphatic system, showing the lymphatic vessels and lymphoid organs.