abstract liquid spheres cluster symbolizing cellular intelligence and future biotechnology - 分泌 個照片及圖片檔細胞, 顯微鏡
normal and enlarged thyroid gland comparison. goiter and healthy thyroid medical diagram of human endocrine system - 分泌 幅插畫檔、美工圖案、卡通及圖標
salmonella bacteria injectisome delivering proteins into host cell, illustration - 分泌 幅插畫檔、美工圖案、卡通及圖標
salmonella bacteria injectisome delivering proteins into host cell, illustration - 分泌 幅插畫檔、美工圖案、卡通及圖標
salmonella bacteria injectisome delivering proteins into host cell, illustration - 分泌 幅插畫檔、美工圖案、卡通及圖標
close-up of sap, resin, coming out of planks of wood, timber, organized in a woodshop, lumberyard warehouse - 分泌 個照片及圖片檔
close-up of sap, resin, coming out of strips of wood, timber, organized in a woodshop, lumberyard warehouse - 分泌 個照片及圖片檔墨西哥
close-up of sap, resin, coming out of planks of wood, timber, organized in a woodshop, lumberyard warehouse - 分泌 個照片及圖片檔工廠
close-up of sap, resin, coming out of strips of wood, timber, organized in a woodshop, lumberyard warehouse - 分泌 個照片及圖片檔
Parrotfish producing a mucous nightgown, secreted from the mouth, Scarus taeniopterus, Curacao, Netherlands Antilles, Digital Photo ,黏液
simple columnar epithelium in a villus. small intestine, 50x. shows: columnar absorptive cells, goblet cells (mucus-secreting, clear), basement membrane, supporting connective tissue, and a villus - 分泌 個照片及圖片檔
parotid salivary gland. 250x. shows: serous cells (dark, granular cells) and a duct. the serous cells show secretion granules which are a source of enzymes (salivary amylase). human. - 分泌 個照片及圖片檔口水, 細胞
simple columnar epithelium & goblet cells, ileum, human. goblet cells contain mucous, 250x striated border shown is composed of microvilli - 分泌 個照片及圖片檔
simple columnar epithelium. small intestine (ileum, human) 250x. shows: tall columnar absorptive cells, goblet cells (mucus-secreting, clear), striated border (made up of microvilli seen with the electron microscope) & supporting connective tissue - 分泌 個照片及圖片檔顯微鏡
simple columnar epithelium. small intestine (ileum, human) 250x. shows: simple columnar absorptive epithelial cells, goblet cells (mucus-secreting, clear), striated border (made up of microvilli seen with the electron microscope) & supporting connective t - 分泌 個照片及圖片檔基本組織, 特寫, 細胞
simple columnar epithelium. small intestine (ileum, human) 250x. shows: tall columnar absorptive cells, goblet cells (mucus-secreting, clear), striated border (made up of microvilli), basement membrane & supporting connective tissue - 分泌 個照片及圖片檔細胞
Cross-section of an epithelial cell with conjunctive tissue and bronchial cell secreting mucus. On top, ciliated cells, in background, collagen, in...上皮組織