Final answer:
Intussusception is when part of the gastrointestinal tract slides into another causing obstruction, severe abdominal pain, vomiting, and bloody stool.
Step-by-step explanation:
Manifestations of Intussusception
Intussusception is a serious condition where a part of the gastrointestinal (GI) tract slides into an adjacent part of the intestine. This "telescoping" effect often causes the involved segment of the bowel to become obstructed. The primary symptoms can include severe intermittent abdominal pain, vomiting, and the passage of stool mixed with blood and mucus (sometimes described as "currant jelly" stool). There might also be a palpable lump on the abdomen. This condition most commonly occurs in infants and toddlers, and it necessitates immediate medical attention to avoid severe complications such as bowel necrosis and perforation.