MS-2240

A 49-year-old woman visits her GP complaining of severe constipation and nausea. She reports feeling excessively thirsty and experiencing increased urination over the past month. Additionally, she admits to feeling low. A blood test reveals elevated calcium levels, and she is referred to an endocrinologist. The diagnosis of a parathyroid adenoma is confirmed through a sestamibi parathyroid scan. Which pharyngeal pouch gives rise to the inferior parathyroid glands?