medullary bulb sections

例句：

1. 1.The pathologist examined the medullary bulb sections to determine the cause of the patient's symptoms.
   病理学家检查了髓球部分，以确定患者症状的原因。
2. 2. The study focused on the medullary bulb sections and their impact on human health.
   该研究关注髓球部分及其对人类健康的影响。
3. 3.The researchers found that the medullary bulb sections were responsible for the patient's condition.
   研究人员发现，髓球部分是导致患者状况的原因。