词根词缀:medull-, medullo-, medulli-
【来源及含义】Latin: marrow; central part
【同源单词】juxtamedullary, lienomedullary, medulla, medulla oblongata, medulla spinalis, medullary
词根词缀:myelo-, myel-
【来源及含义】Greek: bone marrow; the spinal cord and medulla oblongata; the myelin sheath of nerve fibers
【同源单词】amyelencephalia, amyelia, amyeloneuria, amyelotrophy, multiple myeloma, myelin