The term "incisura thyreoidea inferior", also known as the inferior thyroid notch, refers to a specific anatomical feature located in the thyroid cartilage. Synonyms for this term include the inferior thyroid incisure or the inferior thyroid notch. These synonyms are commonly used in medical literature and discussions to describe the concave contour found in the lower border of the thyroid cartilage. Understanding the various synonyms for this anatomical structure is crucial for healthcare professionals, as it allows for accurate communication and comprehension when discussing the specific features and intricacies of the human thyroid gland.