thyroid cartilage
US /ˈθaɪ.rɔɪd ˈkɑːr.t̬əl.ɪdʒ/
UK /ˈθaɪ.rɔɪd ˈkɑːr.t̬əl.ɪdʒ/

1.
the largest cartilage of the larynx, forming the Adam's apple in males
:
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The doctor palpated the patient's thyroid cartilage to check for abnormalities.
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The prominence of the thyroid cartilage is more noticeable in adult males.