These club cells secrete glycosaminoglycans which protect the bronchiolar epithelium.
棒状细胞能分泌,来保护细支气管内膜。
The extracellular component includes both the intravascular space - the space within the blood and lymphatic vessels and the interstitial space - the space between cells where you typically find fibrous proteins and long chains of carbohydrates which are called glycosaminoglycans.
细胞外的部分包括管道内空间,即血管和淋巴管内的空间以及间质空间,即细胞之间的空间,通常能找到纤维蛋白和叫(即黏多)的长链碳水化合物。