Helicobacter pylori are spirally bent, gram-negative rod-shaped bacteria with lophotrichous flagella.

Pathogenesis
Helicobacter pylori is almost exclusively found in humans. After fecal oral transmission the colonization and infection of the ... [more]

Hirschsprung disease is a birth defect, affecting one in 5000 newborns, in which the innervation of the intestinal wall (both the Meissner submucosal plexus and the Auerbach myenteric plexus) is missing in a distal segment of the large intestine.
As ... [more]

Hirschsprung disease is a birth defect, affecting one in 5000 newborns, in which the innervation of the intestinal wall (both the Meissner submucosal plexus and the Auerbach myenteric plexus) is missing in a distal segment of the large intestine.
As ... [more]