DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
Thyroid operation. Close-up of a surgeon suturing the strap muscles in a thyroid incision. The strap muscles (infrahyoid muscles) are a group of four pairs of muscles in the front part of the neck. These muscles, located close to the thyroid gland, are used during swallowing and talking. The hormones released by the thyroid gland regulate a number of body systems.
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