The thymus gland, a part of your immune system situated in the upper chest beneath the breastbone, may trigger or maintain the production of antibodies that result in the muscle weakness.
The thymus is a lymphoid gland comprised of two identically sized lobes, located behind the sternum (breastbone) but in front of the heart.
1 The thymus gland is very active from before birth until puberty, and it functions as both a lymphatic organ and an endocrine organ (an organ of the endocrine system that produces hormones). In order to understand the role the thymus gland plays in immunity, it’s helpful to first distinguish between T lymphocytes and B lymphocytes.
Thymus Glands
