Definition

1. Noun:
   • A small, flat, triangular bone in front of the knee: The patella is a sesamoid bone that protects the front of the knee joint and improves the leverage of the thigh muscles.
   • The type genus of the family Patellidae: In zoology, Patella is the genus name for common European limpets, which are marine snails with a simple conical shell.

Usage Examples

• Noun (Anatomy):
  • He fractured his patella after a fall on the ice.
  • The doctor explained that the patella, or kneecap, sits within the tendon of the quadriceps muscle.
• Noun (Zoology):
  • The genus Patella includes several species of true limpets.
  • We studied the feeding habits of Patella vulgata on the rocky shore.

Advanced Usage

• "Patellar" (Adjective): Relating to the kneecap.
  • She underwent surgery to repair a torn patellar tendon.
• "Patellectomy" (Noun): The surgical removal of the kneecap.
  • A patellectomy is a rare procedure performed for severe fractures or arthritis.

Variants and Related Words

• Patellae (n): The plural form of patella, often used in anatomical contexts.
  • The study compared the shapes of patellae across different mammalian species.
• Patellofemoral (adj): Relating to the kneecap and the femur (thigh bone).
  • Patellofemoral pain syndrome is common among runners.

Synonyms

• Kneecap: The common, non-technical term for the patella bone.
• Rotula: An older or less common anatomical term for the patella.

Related Phrases

• "Floating patella": A clinical sign where the kneecap can be moved excessively due to fluid in the joint.
  • The presence of a floating patella suggested significant effusion in the knee.
• "Bipartite patella": A condition where the kneecap is composed of two separate bones, usually a normal anatomical variant.
  • The X-ray revealed a bipartite patella, which was mistaken for a fracture.

Noun

1. type genus of the family Patellidae: common European limpets
2. a small flat triangular bone in front of the knee that protects the knee joint