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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).
- Hyperthyroidism
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- Hyperthyroidism
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.
The thyroid gland is a butterfly-shaped organ in front of the trachea (Figure 2). It is derived from a downgrowth of oral epithelium from the base of tongue, forming the thyroglossal duct. In the oral cavity, all that remains of the duct after birth is a small structure called the foramen cecum.
14 cze 2023 · Ectopia, adult thyroid disease. The goal of this article is to discuss the embryology, anatomy, brief histology, and neurovascular supply of the thyroid gland. Further details regarding thyroid hormone synthesis and the key functions of the gland will also be addressed.
Describe the location and anatomy of the thyroid gland; Discuss the synthesis of triiodothyronine and thyroxine; Explain the role of thyroid hormones in the regulation of basal metabolism; Identify the hormone produced by the parafollicular cells of the thyroid
Histology Revolution: from inefficient, two-dimensional, and low-resolution techniques to high-throughput, three-dimensional and high-resolution techniques
Be able to recognize the thyroid gland at the light and EM level and be able to explain how thyroid follicular cells are involved in the production of thyroglobulin, its storage, and its subsequent breakdown to thyroid hormones.
