Also known as: ps.
PS has various meanings in the Health category. Discover the full forms, definitions, and usage contexts of PS in Health.
These are very complicated carbohydrates made of simple sugars (glucose, fructose) in long chains. The chains include many mono-saccharides. They are found in the cell wall and other areas of organisms. Cellulose is a good example of a poly-saccharide.
HealthThe primitive streak is a transient structure whose formation, on day 15 of human development, marks the start of gastrulation, the process in which the inner cell mass in converted into the trilaminar embryonic disc, which is comprised of the three germ layers.
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