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 antibiotics were among the first medications to be effective against many bacterial infections caused by staphylococci and streptococci. Penicillins are still widely used today, though many types of bacteria have developed resistance following extensive use.All penicillins are Î²-lactam antibiotics.About 10% of people report that they are allergic to penicillin; however, 90% of this group are not actually allergic. Serious allergies only occur in about 0.03%. Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming.bout 10% of people report that they are allergic to penicillin; however, 90% of this group are not actually allergic. Serious allergies only occur in about 0.03%.