Term: ductus arteriosus: a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth
Candidate hypernym: vessel: a tube in which a body fluid circulates → 1
Candidate hypernym: ionosphere: the outer region of the Earth's atmosphere; contains a high concentration of free electrons → 0
Candidate hypernym: siskiyou lewisia: evergreen perennial having a dense basal rosette of long spatula-shaped leaves and panicles of pink or white-and-red-striped or pink-purple flowers; found on cliffs and in rock crevices in mountains of southwestern Oregon and northern California → 0
Candidate hypernym: bribe: payment made to a person in a position of trust to corrupt his judgment → 0
Candidate hypernym: submarine torpedo: a torpedo designed to be launched from a submarine → 0
Candidate hypernym: coolant system: a cooling system that uses a fluid to transfer heat from one place to another → 0
Candidate hypernym: pallium: cloak or mantle worn by men in ancient Rome → 0
Candidate hypernym: check girl: a female checker → 0
Candidate hypernym: bacillus: aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil → 0
Candidate hypernym: a: the 1st letter of the Roman alphabet → 0
Candidate hypernym: z-axis: the third axis in a 3-dimensional coordinate system → 0