The cover image is based on the article GLP-1 Receptors Are Enriched in the Lymphatic Endothelium and Their Pharmacological Activation With Semaglutide Improves the Pumping Capacity of Lymphatic Vessels by Mary E. Schulz et al., https://doi.org/10.1111/micc.70070.
Schulz et al. (Fri,) studied this question.