White matter is primarily composed of the axons that are connected to neuronal cell bodies. It gets its white color because most of these axons are coated in a sheath called myelin. Myelin helps to speed nerve conduction, so that messages can travel faster through your brain.
âThe base salary range for NHL referees is $110,000 to $255,000 and $72,000 to $162,000 for linesmen. But no NHL official is getting paid during the lockout. Most are essentially unemployed, according to Walkom, although referee Don VanMassenhoven is selling cars and Bill McCreary is installing cabinets.â.rom www.AskMen.com. âIncidentally, while the National Hockey League's (NHL) athletes make less than their brethren in football, basketball and baseball, no other officials in any of the four major sports leagues make more than those in the NHL, where starters get a $115,000 salary.
A veteran baseball umpire can make as much as $400,000 per year and receives health insurance, paid time off and a full pension. The NFL has offered a contract that would raise the average NFL referee salary to $200,000 per season by 2018.n 2014-2015, the referees earn an average of $10,500 per game (regular season, pre-season and playoff), which works out to $180,000 per year. By 2019, the average NFL salary will rise to $205,000. This season, a rookie NFL referee's salary starts at $78,000. A 10 year veteran can make as much as $200,000 per season.