title: Cardiac jelly fibrils: their distribution and organization.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D003238:Connective Tissue / Q000196:embryology* / Q000648:ultrastructure; D006321:Heart / Q000196:embryology*; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning