Disc herniation is a broad term describing specific changes in a lumbar disc. First, the disc itself needs to be addressed. A disc is the structure between the lumbar vertebral bodies (bones). The disc acts as a pad or cushion for the bone. The outer portion of the disc is made up of a tough fibro-cartilage matrix (the annulus) that is cross-linked in three different directions. In the middle, there is a gelatinous nucleus.
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You may have heard the word Cryovac tossed about in recent years, but you may not know what it means. Simply put, Cryovac is a system of vacuum packing food for long-term storage.To vacuum pack an item, you place the food into a thick plastic bag or sleeve, and then seal it with specialized equipment that draws out all the air from the bag and seals the bag so that air cannot re-enter.ne popular brand of food sealer is the FoodSaver. When selecting a vacuum sealer or Cryovac unit, you should read reviews and find out what features each unit offers. This can help you make the right choice when selecting your vacuum sealer.