Vaseline petroleum which I have named Vaseline..." The name "vaseline" is said by the manufacturer to be derived from German "Wasser" "water" + Greek έλαιον ("elaion") "olive oil". In 1859, Chesebrough went to the oil fields in Titusville, Pennsylvania, and learned of a residue called "rod wax" that had to be periodically removed from oil rig pumps. The oil workers had been using the substance to heal cuts and burns. Chesebrough took samples of the rod wax back to Brooklyn, extracted the usable petroleum jelly, and began manufacturing the medicinal product he called Vaseline. Vaseline was made by the Chesebrough Manufacturing
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