George E. Palade, Maya Simonescu, Nicole SImonescu (2011) CIL:37125, Mus musculus, endothelial cell. CIL. Dataset

Transmission electron micrograph showing capillary mouse myocardium continuous endothelium using a hemoglobin tracer in caveolae. Hemoglobin, used as a tracer, is seen in the lumen of a capillary lined by a continuous endothelium, in endothelial caveolae, and in the extracellular space. Tracers such as hemoglobin or small heme-peptides were used by these investigators to demonstrate the role of caveolae in transcytosis of molecules across continuous capillary endothelial cells. Image made available by James D. Jamieson and the Department of Cell Biology, Yale University School of Medicine.

透射电子显微镜图像展示了使用血红蛋白示踪剂标记的毛细血管小鼠心肌连续内皮层。血红蛋白，作为示踪剂，可见于由连续内皮层衬覆的毛细血管腔内、内皮层 caveolae 以及细胞外间隙中。这些研究人员通过使用血红蛋白或小型的血红素肽等示踪剂，证明了 caveolae 在分子跨连续毛细血管内皮细胞胞吞过程中的作用。图像由 James D. Jamieson 和耶鲁大学医学院细胞生物学系提供。