Term: chorion: the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: whipping top: a top that is spun by whipping
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: electric lamp: a lamp powered by electricity
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: photography: the act of taking and printing photographs
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: basics: a statement of fundamental facts or principles
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: caracal: of deserts of northern Africa and southern Asia
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: methacrylic acid: an unsaturated acid (C4H6O2) used to make resins and plastics
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: jekyll and hyde: someone with two personalities - one good and one evil
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: tosk: the dialect of Albanian spoken in southern Albania and in areas of Greece and Italy
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: last quarter: the last fourth of the Moon's period of revolution around the Earth
Broader: cavity: (anatomy) a natural hollow or sinus within the body | Unrelated: service: the act of delivering a writ or summons upon someone