A substance that reduces the size of blood vessels.
Vasodilator:
A substance that increases the caliber of blood vessels.
Vegetative period:
Growing from seed, flowering, fertilization and seed production.
Venotonic:
A substance that restores the normal condition of the veins, in terms of tension and force is concerned.
Vesicant:
That produces blisters.
Vitamins:
Set of substances chemically unrelated to each other, but have the characteristic of being necessary for the proper functioning of the body and must be ingested through food.
Vulnerary:
A substance that heals wounds and injuries.
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