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.
Penicillin Class Antibiotics. Antibiotics in the penicillin class disrupt the bacterial cell wall. These tend to be broad-spectrum antibiotics, except when they encounter bacteria that have a specific resistance. Amoxicillin is a type of penicillin used in dogs, and frequently is prescribed because it's well-absorbed in the gut.