How Do You Spell FOLLICULAR COLLOID?

1. Follicular colloid refers to the gelatinous substance that is present within the follicles of the thyroid gland. The thyroid gland is a vital endocrine structure located in the neck, responsible for producing and releasing hormones that regulate metabolism and growth. The follicles are small spherical structures found within the thyroid gland, comprising a layer of thyroid follicular cells that surround a central lumen or cavity.

   The follicular colloid is composed predominantly of a glycoprotein called thyroglobulin, which is produced and secreted by thyroid follicular cells. Thyroglobulin serves as the precursor for the synthesis of thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3). These hormones are crucial for the regulation of numerous physiological processes in the body, including metabolism, heart rate, temperature, and growth.

   The function of the follicular colloid is to store and release these thyroid hormones as needed by the body. The thyroglobulin molecules within the colloid contain numerous tyrosine residues, which can be iodinated to produce iodotyrosines. These iodotyrosines undergo further enzymatic reactions to eventually form the active thyroid hormones T3 and T4. When signaled by the body's needs, the thyroid follicular cells take up the colloid and break down the thyroglobulin to release T3 and T4 into the bloodstream, where they can exert their physiological effects.

   In summary, follicular colloid refers to the gelatinous material containing thyroglobulin found within the follicles of the thyroid gland. It plays a crucial role in the synthesis, storage, and release of essential thyroid hormones required for the proper functioning of various bodily processes.

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   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for FOLLICULAR COLLOID

The term "follicular colloid" is composed of two parts: "follicular" and "colloid".

- "Follicular" originates from the Latin word "folliculus", which means "small bag" or "sack". In this context, it refers to the thyroid follicles, which are small spherical structures found in the thyroid gland.

- "Colloid" comes from the Greek word "kolla", meaning "glue" or "glue-like substance". It refers to a gel-like substance or material with solid particles suspended in a liquid or gas medium. In the context of the thyroid gland, the "follicular colloid" refers to the gelatinous substance present within the thyroid follicles.

Overall, "follicular colloid" refers to the gel-like material found within the small sac-like structures in the thyroid gland.