Cytologic smear and Pap smear

Cytologic smear noun - A thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope.

Pap smear and cytologic smear are semantically related. In some cases you can replace phrase "Pap smear" with "Cytologic smear", this phrases are similar.

Pap smear noun - A sample of secretions and superficial cells of the uterine cervix and uterus; examined with a microscope to detect any abnormal cells.

Cytologic smear and pap smear are semantically related. You can use "Cytologic smear" instead a noun phrase "Pap smear".