thickening

The food additive carrageenan -- also known as E 407 -- is used by the food industry as an emulsifier and thickening agent in numerous finished products.

Some developed a thickening of their womb linings, a potential precursor to cancer.

Even a slight thickening of myelin -- in this case, by several hundred nanometers -- can affect brain function and behavior.

Carrageenan is derived from a seaweed, to add a thickening texture and preserve the product.

The juxtaposed images show the Central Valley turning from brown to a deep green and snow thickening substantially in the Sierra Nevada Mountains.