constriction ring
n.
True spastic stricture of the uterine cavity caused by a zone of muscle undergoing tetanic contraction and forming a tight constriction about some part of the fetus.
Words nearby constriction ring
constrain,
constrained,
constraint,
constrict,
constriction,
constriction ring,
constrictive,
constrictive pericarditis,
constrictor,
constringe,
constringence