Atresia

Definition

Atresia is the absence or closure of a normal body opening or tubular structure. It commonly affects parts of the digestive system, leading to obstruction and complications in nutrient absorption.

5 Must Know Facts For Your Next Test

1. Atresia can occur in various parts of the gastrointestinal tract, including the esophagus, intestines, and bile ducts.
2. Esophageal atresia often presents with symptoms such as excessive drooling and difficulty swallowing in newborns.
3. Intestinal atresia can lead to severe abdominal distension and vomiting shortly after birth.
4. Biliary atresia involves the blockage of bile ducts, which can cause jaundice and liver damage if untreated.
5. Early diagnosis and surgical intervention are crucial for managing digestive atresias effectively.

Review Questions

• What are common symptoms of esophageal atresia in newborns?
• How does biliary atresia affect nutrient absorption?
• Why is early diagnosis important for managing intestinal atresia?

Related terms

Stenosis: Narrowing of a body passage or opening that restricts flow.

Malabsorption:

Condition where the small intestine cannot absorb nutrients properly.

Obstruction: Blockage that prevents the normal flow through a bodily passage.