Assertion: tonsil's cell | /r/HasAspect | distinctive appearance
Facets:
Source sentences:
text: In contrast to the endothelial cells from other vessels, the high endothelial cells of HEVs have a distinctive appearance, consisting of a cuboidal morphology and with various receptors to interact with leukocytes (express specialized ligands for lymphocytes and are able to support high levels of lymphocyte extravasation).