University:
York University
Course:
SC/BIOL 3120 | Immunobiology
Academic year:

2023
Views:

480

Pages:

2
Author:

Niklas

Thymus: location of maturation for T-cells T-cell development is not complete until the cells undergo selection in the thymus B-cells undergo a similar process in the bone marrow Thymocytes (in bone marrow) functional mature T-cells (in the thymus) the thymus is a major part of Filtering Secondary Lymphoid Organs The Circulatory and Lymphatic Systems: How blood travels through the body heart aorta arteries arterioles capillaries -capillaries are very small blood flows iced of a time allows gathangt to scour easily most other Fluids have been rewred at this point this Fluid is now known as lymph Lymph protein rich Fuld that is derived from the Fluid portion of the Wood (s) travels through the lymphatic system and then re-enters the circulatory system in the left subclavian vein as lymph travels though lymphatic ressets, it travels through lymph nodes WBC make up almost all of the cells in the lymph it is a quick way for WBC is circulate and they can travel From lymph node to lymph node secondary lymphoid tissue the sites where mature, but naive lymphocytes encounter antigen. where adaptive immunity begins (when lymphocytes are activates dostluged But hem encored antigen. Types) lymph node 2) spleen 3) other associated lymphoid tissue (tonsils, appendix, etc.) lymph node entry lymphocytes: high endothelial venules (HEV) antigens/APC afferent lymphatics exit efferent lymphatics