Term: yolk sac: membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo
Broader: sac: a structure resembling a bag in an animal | Unrelated: nitrobenzene: a poisonous oily water-soluble liquid used as a solvent and in the manufacture of aniline
Broader: sac: a structure resembling a bag in an animal | Unrelated: reinterpretation: a new or different meaning
Broader: sac: a structure resembling a bag in an animal | Unrelated: sour: the taste experience when vinegar or lemon juice is taken into the mouth
Broader: sac: a structure resembling a bag in an animal | Unrelated: desert tortoise: burrowing tortoise of the arid western United States and northern Mexico; may be reclassified as a member of genus Xerobates
Broader: sac: a structure resembling a bag in an animal | Unrelated: operetta: a short amusing opera
Broader: sac: a structure resembling a bag in an animal | Unrelated: artiste: a public performer (a dancer or singer)
Broader: sac: a structure resembling a bag in an animal | Unrelated: vaishnava: worshipper of Vishnu
Broader: sac: a structure resembling a bag in an animal | Unrelated: micmac: the Algonquian language of the Micmac
Broader: sac: a structure resembling a bag in an animal | Unrelated: mechanical phenomenon: a physical phenomenon associated with the equilibrium or motion of objects
Broader: sac: a structure resembling a bag in an animal | Unrelated: deepwater pipefish: a fish 8 inches long; found from eastern Florida to western Caribbean