Sleep has all kinds of important neurological benefits like clearing out dead cells, managing your immune system, regulating your metabolism and storing memories.

睡眠对神经系统有很多重要的好处，比如清除死亡胞，管理免疫系统，调节新陈代存记忆。

It usually starts from the more common clear cell type, CCRCC, through a process called EMT, epithelial to mesenchymal transition.

它通常于较为常见的胞型，即ccRCC，通过上皮-间质转化（EMT）这一过程发展而来。

The synovium's composed of loose connective tissue, blood vessels, lymphatic vessels, and on the surface—" Type A" cells that clear cellular debris and " Type B" cells that produce components of synovial fluid, which helps lubricate the two articular surfaces.

滑膜由松散结缔组织、血管、淋巴管组成；在滑膜表面，A型胞清理胞碎屑，B型胞产生滑液成分，滑液能够润滑两块关节的表面。