A layer of epithelium that lines the heart, blood vessels (endothelium, vascular), lymph vessels (endothelium, lymphatic), and the serous cavities of the body[MESH]. Simple squamous epithelium which lines blood and lymphatic vessels and the heart[FMA] [ https://github.com/obophenotype/uberon/issues/225 ]

This is just here as a test because I lose it

Term information

database cross reference

uberon_slim, efo_slim


The term 'endothelium' has been either restricted to the continuous cell layer of the vertebrates, as we are assuming here, or applied to all the cells able to adhere to the luminal surface of the vascular basement membrane (Casley-Smith 1980)



Term relations