squamocolumnar junction
noun
squa·mo·co·lum·nar junction
| \ ˌskwā-mō-kə-ˌləm-nər-
\
\
Medical Definition of squamocolumnar junction
: the region in the uterine cervix in which the squamous lining of the vagina is replaced by the columnar epithelium typical of the body of the uterus and which is a common site of neoplastic change