Sap
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Sap is a fluid transported in the xylem cells or phloem sieve tube elements of a plant. These cells transport water and nutrients throughout the plant.
Sap droplets of Dracaena trifasciata
Leafhoppers feeding on sap, attended by ants
Resin
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A resin is a highly viscous liquid or solid that can be converted into a polymer. Resins may be biological or synthetic in origin but are typically harvested from plants. Resins are mixtures of organi
Sap
…or tracheids) or phloem sieve tube elements of a plant. These cells transport water and nutrients throughout the plant. Sap is distinct from latex, resin, or cell sap; it is a separate substance, separately produced, and with different components and functions. Insect honeydew is called sap, particularly…
Insect trapped in resin
Cedar of Lebanon cone showing flecks of resin as used in the mummification of Egyptian Pharaohs
Extremely viscous resin extruding from the trunk of a mature Araucaria columnaris
The material dripping from an almond tree looks confusingly like resin, but actually is a gum or mucilage, and chemically very different.