Term: yolk sac: membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: king of france: the sovereign ruler of France
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: batch: all the loaves of bread baked at the same time
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: troubleshooter: a worker whose job is to locate and fix sources of trouble (especially in mechanical devices)
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: raincoat: a water-resistant coat
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: purveyor: someone who supplies provisions (especially food)
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: utopia: an imaginary place considered to be perfect or ideal
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: wilt: any plant disease characterized by drooping and shriveling; usually caused by parasites attacking the roots
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: first-aid kit: kit consisting of a set of bandages and medicines for giving first aid
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: line of force: an imaginary line in a field of force; direction of the line at any point is the direction of the force at that point
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: flash: a sudden brilliant understanding