Vaseline Vaseline Vaseline is an American brand of petroleum jelly-based products owned by British-Dutch company Unilever. Products include plain petroleum jelly and a selection of skin creams, soaps, lotions, cleansers, and deodorants. In many languages, the word "Vaseline" is used as generic for petroleum jelly; in Portuguese and some Spanish-speaking countries, the Unilever products are called Vasenol. The first known reference to the name Vaseline was by the inventor of petroleum jelly, Robert Chesebrough in his U.S. patent for the process of making petroleum jelly (U.S. Patent 127,568) in 1872. "I, Robert Chesebrough, have invented a new and useful product from
Egg jelly sulfated fucan glycoproteins play an important role in binding to sperm receptors and triggering the acrosomal reaction. Many other functions for the egg jelly have been proposed including sperm agglomeration, protection from mechanical stress and polyspermy, and increasing the size of the egg to improve its chances of colliding with sperm. In addition to the sea urchin, egg jelly appears in many species including invertebrates and mammals, and can vary in composition and complexity from the relatively homogenous single layer sea urchin egg to the three layer egg jelly in starfish. Egg jelly Egg jelly(extracellular layer", "jelly coat) is a