Here's a quote: Most normal persons have detectable concentrations of circulating CEA. Approximately 85% of adults have CEA levels less than 2.5 ng/mL, while 95% have levels less than 5.0 ng/mL. CEA levels are slightly higher in men than women. The median level is 3.4 ng/mL in men and 2.5 ug/mL in women. Healthy persons seldom have levels above 10 ng/mL.
Ginkgo biloba, known as ginkgo or gingko and also as the maidenhair tree, is the only living species in the division Ginkgophyta, all others being extinct.It is recognizably similar to fossils dating back 270 million years. Native to China, the tree is widely cultivated and was introduced early to human history.he leaves are usually 5â10 cm (2.0â3.9 in), but sometimes up to 15 cm (5.9 in) long. The old popular name maidenhair tree is because the leaves resemble some of the pinnae of the maidenhair fern, Adiantum capillus-veneris. Ginkgos are prized for their autumn foliage, which is a deep saffron yellow.
Plants in the genus Origanum are can be perennial ground covers, tender perennials or even small perennial subshrubs. Even Origanum vulgare can take many forms. Most have stems that can get very woody. 1  Foliage: Oregano leaves are oval, dark green and in opposite pairs. 2  Some varieties have fuzzy leaves, others not.here are plants outside of the Origanum genus that are sometimes referred to as oregano. ' 1 Mexican Oregano' can mean either Lippia graveolens or Poliomintha longiflora. 2  In Puerto Rico and Cuba, Plectranthus anboinicus can be found labeled as oregano. 3  Thymus nummularius is often used in place of oregano, in Spain.