umls-concept:C0162415 | skos:definition | CSP: meshwork of mammalian embryonic connective tissue in the mesoderm from which are formed the connective tissues of the body and the blood and lymphatic vessels.,NCI: Embryonic tissue of mesodermal origin. Develops into connective tissue, blood vessels, and lymphatic tissue.,MSH: Mesodermal tissue or tissue with mesodermal origin. | lld:umls |