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Thyroid follicles, light micrograph
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Thyroid follicles, light micrograph
Thyroid follicles. Light micrograph of a section through a thyroid gland showing the follicles. The follicles are lined by a single layer of cuboidal epithelial cells, which synthesise and secrete the iodine-containing hormones T3 (tri-iodothyronine) and T4 (thyroxine). The thyroid follicle is filled with a glycoprotein substance called thyroglobulin or thyroid colloid (red), which is a storage form of the thyroid hormones. When actively secreting hormones the lining cells are large and cuboidal, when less active the follicles are distended and the secretory cells flattened
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Media ID 9240655
© OVERSEAS/COLLECTION CNRI/SPL
Colloid Endocrinology Follicle Follicles Histological Histology Hormonal Hormone Secretion Storage Thyroid Gland Thyroxine Tissue Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate beauty of thyroid follicles, providing a glimpse into the fascinating world of endocrinology. The image captures a section through a thyroid gland, revealing its unique structure and function. Each follicle is elegantly lined by a single layer of cuboidal epithelial cells, responsible for synthesizing and secreting essential iodine-containing hormones such as T3 (tri-iodothyronine) and T4 (thyroxine). The thyroid follicle itself is filled with an intriguing glycoprotein substance known as thyroglobulin or thyroid colloid, depicted in striking red hues. This substance serves as a storage form for the vital thyroid hormones. Interestingly, when actively engaged in hormone secretion, the lining cells appear large and cuboidal; however, during periods of reduced activity, the follicles become distended while their secretory cells flatten. This remarkable light micrograph not only highlights the structural intricacies within our bodies but also emphasizes the importance of maintaining healthy hormonal balance. It offers valuable insights into tissue health and normal functioning within the human body. With its meticulous detail captured under a light microscope, this histological image provides scientists and medical professionals with invaluable knowledge about hormonal regulation in relation to thyroxine production. Science Photo Library has once again delivered an exceptional visual representation that bridges artistry with scientific exploration.
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