Medical Definition of Thyroid cartilage

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Thyroid cartilage: The largest of the cartilages of the larynx (the voice box).

The thyroid cartilage is formed of two approximately quadrilateral plates (called laminae) that are joined anteriorly (in the front) at an angle of from 90° to 120° to create a prominence in the neck.

This bump is called the laryngeal prominence (or, familiarly, Adam's apple). The thyroid cartilage has nothing to do with the thyroid gland, except for proximity.

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Reviewed on 12/11/2018

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