* Types of ulcer

• 1.oral ulcer or angina
• 2.diabetic ulcer
• 3.gastric ulcer
• 4.chancre like hard chancre and soft chancre
• 5.skin ulcer
• 6.ulcerative colitis
• 7.duodenal ulcer
• Olecranon fossa
• Cubital fossa
• Radial groove
• Incisura angularis
• Dorsal striatum
• Radial notch