Umbelliferones - ț̢
7-Hydroxycoumarins. Substances present in many plants, especially umbelliferae. Umbelliferones are used in sunscreen preparations and may be mutagenic. Their derivatives are used in liver therapy, as reagents, plant growth factors, sunscreens, insecticides, parasiticides, choleretics, spasmolytics, etc.
Synonyms : 7 Hydroxycoumarins
Umbellularia - ț̢
A plant genus in the LAURACEAE family. The tree, Umbellularia californica (Hook. & Arn.) Nutt., is known for aromatic leaves used in SPICES having a similar flavor to LAURUS.
Synonyms :
Umbilical Arteries - ț̢
Either of a pair of arteries originating from the internal iliac artery and passing through the umbilical cord to carry blood from the fetus to the placenta.
Umbilical Veins - ț̢
Veins which carry oxygenated, nutrient-rich blood from the placenta and which are obliterated in the first few days after birth.