| 释义 | dacryocystogramdac·ry·o·cys·to·gram(dak'rē-ō-sis'tō-gram), A radiograph of the lacrimal apparatus obtained after injection of contrast material for the purpose of determining the presence of and localizing a site of obstruction; this procedure has been largely replaced by the CT and MRI. [dacryocyst + G. gramma, a writing] |