bursa of coracobrachial muscle

例句：

1. 1. The bursa is a smallsac that contains lymphocytes.
   胸腺是一个包含淋巴细胞的小囊。
2. 2. Thebursa of the brachial plexus isresponsible for filtering lymphatic fluid.
   臂丛神经的胸腺是过滤淋巴液的责任区域。
3. 3. The bursa ofthe brachial plexus playsa crucial role in immune system function.
   臂丛神经的胸腺在免疫系统功能中起着至关重要的作用。