Dictionary.net

The germinating point in the embryo of a seed; the point in the yolk of an egg at which development begins.

The germinating point in the embryo of a seed; the point in the yolk of an egg at which development begins.

[Latin] The blastoderm in bird and reptile eggs; a small scar in place of previous attachment of an organ; a scar; the mark left after healing of a wound in plants.