A stem is a thin piece of material which usually connects something. It is commonly thought of as: "The axis of a plant, whether above or below ground, which ordinarily grows in an opposite direction to the root or descending axis." <ref>http://dictionary.reference.com/browse/stem</ref>
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A '''stem''' is a thin piece of material which usually connects something. It is commonly thought of as: "The axis of a plant, whether above or below ground, which ordinarily grows in an opposite direction to the root or descending axis." <ref>http://dictionary.reference.com/browse/stem</ref>