Pathology · single question
Normal tissue growing in an ABNORMAL LOCATION is defined as:
Show answer and explanation
Correct answer: A. Choristoma
✓ A) Choristoma is correct.
A choristoma (also called ectopic rest or heterotopic rest) is normal, microscopically mature tissue found in an abnormal location. Example: gastric mucosa in the tongue base. A hamartoma is disorganized but normal tissue elements IN the correct organ. A teratoma contains all three germ layers. Heterotopia is a related term but choristoma is the classic oral pathology definition tested on boards.
A choristoma (also called ectopic rest or heterotopic rest) is normal, microscopically mature tissue found in an abnormal location. Example: gastric mucosa in the tongue base. A hamartoma is disorganized but normal tissue elements IN the correct organ. A teratoma contains all three germ layers. Heterotopia is a related term but choristoma is the classic oral pathology definition tested on boards.