Source:http://linkedlifedata.com/resource/umls/id/C0162415
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.