what is autoimmunity ?
Overactive immune responses form the other end of immune dysfunction, particularly the autoimmune disorders.
Immune system
Overactive immune responses form the other end of immune dysfunction, particularly the autoimmune disorders.
where is the thymus gland located in the human body The thymus is located in the upper front part of the chest, in the anterior superior mediastinum, behind the sternum, and in front of the heart. what is this gland ? The thymus is a specialized primary lymphoid organ of the immune system. can it be removed ? Yes, The thymus is a specialized primary lymphoid organ of the immune system. what is its structure ? In children, the thymus is pinkish-gray, soft, and lobulated on its surfaces. At birth it is about 4–6 cm long, 2.5–5 cm wide, and about 1 cm thick. It increases in size until puberty, where it may have a size of about 40–50 g, following which it decreases in size in a process known as involution. is it present in any other animal ? Yes, The thymus is present in all jawed vertebrates what is the system you mentioned above ? The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease. what is its layered defense ? Physical barriers prevent pathogens such as bacteria and viruses from entering the organism. is it adaptive ? Yes, It evolved in early vertebrates and allows for a stronger immune response as well as immunological memory what are granulocytes? They are leukocytes that have granules in their cytoplasm. what are phagocytes ? Neutrophils and macrophages are phagocytes that travel throughout the body in pursuit of invading pathogens. how does it effect our sleep and rest ? UNANSWERABLE
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Immune system [SEP] Autoimmunity
Overactive immune responses form the other end of immune dysfunction, particularly the autoimmune disorders. Here, the immune system fails to properly distinguish between self and non-self, and attacks part of the body. Under normal circumstances, many T cells and antibodies react with "self" peptides. One of the functions of specialized cells (located in the thymus and bone marrow) is to present young lymphocytes with self antigens produced throughout the body and to eliminate those cells that recognize self-antigens, preventing autoimmunity.