Mirror neurons: a definition. Description: Professor Christian Keysers explains that mirror neurons in the premotor cortex respond when we perform an action and also when we see someone else perform that action. This is similar to empathy. Transcript: Mirror neurons are a set of neurons that we discovered in the premotor cortex of the monkey.
lectin. [ 1 lekâ²tin] 2  a protein in seeds and other parts of certain plants that binds with glycoproteins and glycolipids on the surface of animal cells, causing agglutination. Some lectins agglutinate erythrocytes in specific blood groups, and others stimulate the production of T lymphocytes.
Soy lecithin is a byproduct of soybean oil production. In general, a lecithin is an oily substance found in some plants and animals, like soybeans and egg yolks. Lecithins are great emulsifiers.ithout an emulsifier, the cocoa and cocoa butter would separate. One reason soy lecithin makes a frequent appearance on our candy bar (and other) food labels as an emulsifier is due to its low cost. Soybeans are one of the least expensive crops grown in America.