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Thyroid & Parathyroid Glands
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Thyroid & Parathyroid Glands
Anatomy of thyroid gland
- Sits inferior to thyroid cartilage of larynx
- Left & right lobes connected by narrow isthmus
- Rich vascularization gives it reddish color
Thyroid gland composed of microscopic follicles
- Follicular cells are cubodial epithelial cells that surround a central lumen
- Produce & release thyroid hromone
- Colloid - viscous, protein-rich fluid
- Parafollicular cells
- Cells around follicular cells that make calcitonin
- Follicular cells are cubodial epithelial cells that surround a central lumen
Parathyroid glands
- Small structures on the back of the thyroid gland
Chief cells & oxyphil cells
- Chief cells make parathyroid hormone
- PTH increases blood calcium
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- Mind Map on Thyroid & Parathyroid Glands, created by Chelsea D on 11/12/2016.
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- Chelsea D
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