umls-concept:C0836133 | skos:definition | FMA: Unilaminar epithelium which consists of a single layer of squamous cells. Examples: pulmonary alveolar epithelium, endothelium.,UWDA: Unilaminar epithelium which consists of a single layer of squamous cells. Examples: pulmonary alveolar epithelium, endothelium.,NCI: Epithelium composed of a single layer of flat cells wider than they are tall. This epithelium is found in anatomic sites where exchange of nutrients, wastes and gases occur. | lld:umls |