if perfusion fixation was carried out in a manner that flushed most of the albumin from the interstitial space , then a layer of albumin remained on the surface of leydig cells and many macrophages but was minimal or absent on the surface of other cell types that are normally in contact with albumin , such as sertoli cells , spermatogonia , myoid cells , lymphatic endothelium , fibroblasts , or cells of blood vessels .
C0007634
cells
C0016030
fibroblasts