Term: zona pellucida: thick membrane around the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains around the fertilized egg until it is implanted in the wall of the uterus
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: rainbow shower: deciduous ornamental hybrid of southeastern Asia and Hawaii having racemes of flowers ranging in color from cream-colored to orange and red
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: datura: thorn apple
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: butterhead lettuce: lettuce with relatively soft leaves in a loose head; easily broken or bruised
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: length: the property of being the extent of something from beginning to end
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: hanger: anything from which something can be hung
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: blood group: human blood cells (usually just the red blood cells) that have the same antigens
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: oscillator: generator that produces sonic oscillations or alternating current
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: stage set: representation consisting of the scenery and other properties used to identify the location of a dramatic production
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: connecticuter: a native or resident of Connecticut
Broader: zone: (anatomy) any encircling or beltlike structure | Unrelated: mediterranean: the largest inland sea; between Europe and Africa and Asia