1. a small rounded projection or nodule
2. a small lesion in the lungs or other organs caused by tuberculosis
Usage: medical
3. a small rounded prominence on a bone where muscles attach
Usage: anatomy

Examples

• The X-ray showed several tubercles in the patient’s lungs.
• The botanist examined the small tubercles on the plant’s roots.
• Muscle fibers attach to the tubercle on the upper arm bone.
• The coral’s surface was covered with tiny tubercles.
• Doctors monitor tubercles as signs of tuberculosis progression.
• The tubercle provided an attachment point for the tendon.