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Related to mucous plug: Bloody show
an obstructing mass.
epithelial plug mass of ectodermal cells that temporarily closes the external naris of the fetus.
a mass of mucus and cells filling the cervical canal between periods or during pregnancy; a mass of mucous occluding a main or lobar bronchus.
mu·cous plug(myū'kŭs plŭg)
1. A mass of mucus and cells filling the cervical canal between periods of menstruation or during pregnancy.
2. A mass of mucus occluding a main or lobar bronchus.