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2. T helper cell - Wikipedia

   en.wikipedia.org/wiki/T_helper_cell

   The T helper cells (Th cells), also known as CD4+ cells or CD4-positive cells, are a type of T cell that play an important role in the adaptive immune system. They aid the activity of other immune cells by releasing cytokines. They are considered essential in B cell antibody class switching, breaking cross-tolerance in dendritic cells, in the ...

3. Hashimoto's thyroiditis - Wikipedia

   en.wikipedia.org/wiki/Hashimoto's_thyroiditis

   Hashimoto's thyroiditis, also known as chronic lymphocytic thyroiditis and Hashimoto's disease, is an autoimmune disease in which the thyroid gland is gradually destroyed. [1][6] A slightly broader term is autoimmune thyroiditis, identical other than that it is also used to describe a similar condition without a goiter. [7][8] Early on ...

4. T helper 17 cell - Wikipedia

   en.wikipedia.org/wiki/T_helper_17_cell

   T helper 17 cell. T helper 17 cells (Th17) are a subset of pro-inflammatory T helper cells defined by their production of interleukin 17 (IL-17). They are related to T regulatory cells and the signals that cause T h 17s to actually inhibit T reg differentiation. [1] However, T h 17s are developmentally distinct from T h 1 and T h 2 lineages.

5. T cell - Wikipedia

   en.wikipedia.org/wiki/T_cell

   T cells are one of the important types of white blood cells of the immune system and play a central role in the adaptive immune response. T cells can be distinguished from other lymphocytes by the presence of a T-cell receptor (TCR) on their cell surface. T cells are born from hematopoietic stem cells, [ 1 ] found in the bone marrow.

6. Thyroid - Wikipedia

   en.wikipedia.org/wiki/Thyroid

   The human thyroid (tan), as viewed from the front; and arteries (red) supplying the gland. The thyroid gland is a butterfly-shaped gland located in the neck below the Adam's apple. The thyroid, or thyroid gland, is an endocrine gland in vertebrates. In humans, it is in the neck and consists of two connected lobes.

7. Hypothyroidism - Wikipedia

   en.wikipedia.org/wiki/Hypothyroidism

   0.3–0.4% (USA) [ 8 ] Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [ 3 ] It can cause a number of symptoms, such as poor ability to tolerate cold, extreme fatigue, muscle aches, constipation, slow heart ...