1. a small bladder-like sac or cavity in the body, especially one containing fluid
Usage: medical; anatomy

Examples

• The doctor examined the vesicula on the ultrasound image.
• Small vesiculae formed along the patient’s skin.
• The anatomist pointed out the vesicula in the tissue sample.
• Fluid accumulated in the tiny vesicula.
• The medical textbook described various types of vesiculae in human anatomy.