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Thyroid. The thyroid gland is a bilobed endocrine gland. It is unique in that it stores its hormones bound to an extracellular pool of protein (colloid). Stroma Capsule - enclosed by a thin layer of connective tissue. Trabeculae - connective tissue extends inwards from the capsule to partially outline irregular lobes and lobules.
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30 paź 2023 · The thyroid gland is a bilobular endocrine gland that is found in the neck, anterior and inferior to the larynx. Grossly, the gland appears brownish-red and the left and right lobes are connected by an isthmus. The main purpose of this organ is to produce, store and secrete the iodine-based hormones triiodothyronine (T3) and thyroxine (T4).
1 mar 2009 · Physiology. Purpose of thyroid gland is to produce T4 and T3, which regulate metabolism, increase protein synthesis and increase oxygen consumption in all cells in body; T4 and T3 are also important for growth and development, and maturation of peripheral and central nervous system.
14 cze 2023 · The thyroid gland is an endocrine organ located in the neck that participates in a myriad of systemic processes. The effects of the hormones it produces can be seen throughout all systems in the body. Thyroid hormones are able to diffuse freely across cell membranes.
5 gru 2022 · Histochemical analyses of the patterns of activity and localization of 5-nucleotidase (CD73) through the use of anti-5' nucleotidase ecto antibody in the thyroid gland provide valuable insight into several pathologies associated with the thyroid gland.
19 lip 2016 · Paraffin-embedded tissue sections (4-μm-thick) were stained with hematoxylin and eosin (H&E) for histological analysis, which included follicle size and shape, follicular cell height, and characteristics of the cytoplasm and intrafollicular colloid.
As the name implies, the parathyroid glands are located near to the thyroid, usually along the posterior surface. They are often embedded within the substance of the thyroid (Figure 7). This gland is composed of chief cells and oxyphil cells. Figure 7. Parathyroid glands are embedded in the posterior surface of the thyroid lobes. Chief cells
