A 46-year-old man with a 15-year history of heavy alcohol use presents with acute pancreatitis (BP 128/82, HR 102, RR 20, Temp 38.2°C). Serum lipase is elevated at 850 U/L; abdominal imaging shows pancreatic edema. He denies gallstone history. During follow-up evaluation 6 weeks later, pancreatic tissue biopsy reveals regenerating exocrine tissue. Which cell type marks the beginning of intercalated ducts and projects into the acinus lumen?
- A)Centroacinar cellsGABARITO
- B)Parietal cells
- C)Alpha cells
- D)Kupffer cells
- E)Chief cells
Explicação
Centroacinar cells are unique to the pancreas and represent the beginning of the intercalated ducts within pancreatic acini. They are a classic histologic clue for exocrine pancreatic tissue. The question specifies exocrine pancreas and asks about cells projec... Ver explicação completa e trilha adaptativa →