Tissue
endothelium Audio
en·do·the·li·um [ en-doh-thee-lee-uhm ]
Subclass of:
Epithelium
Definitions related to endothelium:
  • A layer of epithelium that lines the heart, blood vessels (ENDOTHELIUM, VASCULAR), lymph vessels (ENDOTHELIUM, LYMPHATIC), and the serous cavities of the body.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Simple squamous epithelium which lines blood and lymphatic vessels and the heart.
    Foundational Model of Anatomy
    University of Washington, 2017
  • The layer of cells that lines the cavities of the heart and of the blood vessels (Endothelium, Vascular) and lymph vessels (Endothelium, Lymphatic), and the serous cavities of the body, originating from the mesoderm.
    NCI
    U.S. National Cancer Institute, 2021
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