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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).
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View Histology Revolution: from inefficient, two-dimensional, and low-resolution techniques to high-throughput, three-dimensional and high-resolution techniques Article
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.
242 Thyroid Gland - Thyroid Follicular Cell View Virtual EM Slide Remember that the follicular cells secrete thyroglobulin into the colloid and subsequently resorb it and break it down to produce thyroid hormones.
Download scientific diagram | 1 Human thyroid gland stained by hematoxylin and eosin (H&E) (200x); C-Colloid, FCFollicular cells, PC-Parafollicular cells from publication: Cell Signaling...
Download scientific diagram | Histological examination (H and E) staining of thyroid glands; (A-G) represented the groups of control, hypo, T4, FZ, GJ, RG, and WZY, respectively.
The thyroid has a characteristic appearance under H&E stain. Most noticeable are the follicles, composed of a ring of cuboidal epithelial cells called principal cells bounded by a basement membrane and surrounding a lumen filled with pink-staining colloid that consists primarily of thyroglobulin.