Patella

/pə'telə/
Học thuật
Thân thiện
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

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