(pē'dĕr-sŏn), a narrow flat speculum used in vaginas with a narrow introitus.
Pe·der·son spec·u·lum
(pē'dĕr-sŏn spek'yŭ-lŭm) A narrow, flat speculum used to examine a vagina with a narrow introitus. A narrow, flat speculum used to examine a vagina with a narrow introitus.