What was JJ Thomson Atomic theory? Joseph John Thomson discovered the electron in 1897. In 1904,  Thomson suggested a model of the atom as a sphere of positive  matter in which these electrons are positioned â¦by electrostatic  forces.
Cost of Perineal Hernia in Dogs. Stool softeners for dogs are usually $15 for 40 soft chews. Consult your veterinarian before trying human stool softeners on your dog. Enemas ($4 for a 4 pack) are another option.
Perineal hernia - definition and clinical signs. A perineal hernia is a condition that occurs in both dogs and cats in which there is an abnormal displacement of pelvic and/or abdominal organs (small intestine, rectum, prostate, bladder, or fat) into the region around the anus called the perineum. Anatomy.