Agar, a gelatinous substance derived from red algae, has a number of commercial uses.

Clonality implies the state of a cell or a substance being derived from one source or the other.

Some treatments contain tea tree oil, an antifungal substance derived from an Australian plant.

The notion that a substance derived from horse urine is "natural" to the human female is simply a tribute to 50 years of successful advertising.

Such substances derived from plants, he noted, do not become an integral parts of cells.

Growth media are usually forms of agar, a gelatinous substance derived from seaweed.

Many objects with sponge-like textures are now made of substances not derived from poriferans.

Griffithsin, a substance derived from algae, appears to have entry inhibitor properties.

I believe not, except in the case of substances derived from ingredients which can cause allergies or intolerances.

It is a silica-based substance, derived from silica gel.