There are two types of comets: short-period comets and long-period comets. Short-period comets â comets that frequently return to the inner solar system â probably come from the Kuiper Belt beyond the orbit of Neptune.
Save. Grumbling appendix is an old term used to describe chronic appendicitis. Chronic appendicitis shares many qualities with acute appendicitis, which is the more common of the two conditions.Both involve the inflammation of the vermiform appendix resulting in pain and discomfort in the lower right quadrant of the abdomen.ave. Grumbling appendix is an old term used to describe chronic appendicitis. Chronic appendicitis shares many qualities with acute appendicitis, which is the more common of the two conditions.
Croup is an infectious pediatric illness of the respiratory system that involves the vocal cords (larynx), the windpipe (trachea), and the upper airways of the lungs (bronchial tubes). The majority of a child's symptoms reflect involvement of the larynx. Less often croup is caused by bacteria. 2  Croup is contagious, especially during the first few days of illness. 3  A cough that sounds like a barking seal and a harsh raspy Darth Vader sound during inhalation are symptoms of croup.