Where is the thyroid isthmus located?

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Detailed anatomical illustration of the human thyroid gland and surrounding structures, showing the right and left lobes, isthmus, nearby arteries, veins, nerves, lymph nodes, and cartilage in the neck. — thyroid gland Human thyroid gland.

The thyroid isthmus is a narrow band of tissue that connects the two oblong lobes of the thyroid gland. These lobes are situated on either side of the trachea, meaning the isthmus serves as the bridge between them across the windpipe.1