Bulging Disc Definition. Herniated Disc Video. A bulging disc is a condition in which the nucleus (inner portion) of a spinal disc remains contained within the annulus fibrosus (outer portion), unlike a herniated disc in which the nucleus leaks out of the disc.erniated Disc Video. A bulging disc is a condition in which the nucleus (inner portion) of a spinal disc remains contained within the annulus fibrosus (outer portion), unlike a herniated disc in which the nucleus leaks out of the disc.
The term broad-spectrum antibiotic refers to an antibiotic that acts against a wide range of disease-causing bacteria. A broad-spectrum antibiotic acts against both Gram-positive and Gram-negative bacteria, in contrast to a narrow-spectrum antibiotic, which is effective against specific families of bacteria. An example of a commonly used broad-spectrum antibiotic is ampicillin.
They are well known in medicine as they are one of the first types of antibiotic used for major infections and diseases, and are still used regularly in modern medicine. Penicillins are all Î²-Lactam (Beta-Lactam) antibiotics, which are antibiotic molecules with a Î²-Lactam nucleus. There are a number of penicillin types, that react to bacteria in a variety of degrees, some of these are: 1  ampicillin. 2  amoxicillin. 3  flucloxacillin. 4  phenoxymethylpenicillin.