splitting of papillary muscle

例句：

1. 1. The tumor is papillary in nature, which means it has a protruding growth pattern.
   这个肿瘤是乳头状的，这意味着它有突出的生长模式。
2. 2. The skin over the eye was papillary and soft to the touch.
   眼睛周围的皮肤是乳头状的，触感柔软。
3. 3. The ovary of the female mammal is papillary, meaning it is covered with small bumpsor papillae.
   雌性哺乳动物的卵巢是乳头状的，意思是它被小凸起或乳头覆盖。