Which of the following laryngeal cartilages is derived from the FOURTH pharyngeal arch?
- A Thyroid cartilage ✓
- B Epiglottis
- C Greater cornu of hyoid
- D Styloid process
Correct answer: A. Thyroid cartilage
Explanation
The thyroid cartilage develops from the fourth pharyngeal arch. The epiglottis is from the hypobranchial eminence (copula), the greater cornu of hyoid from the third arch, and the styloid process from the second arch. This is a standard embryological mapping frequently tested.
Reference: Langman's Medical Embryology, 14th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.