ankylosis

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ankylosis

The patient's ankylosis made it difficult to bend his knee.

Definition

Noun: A medical condition characterized by the abnormal stiffening and immobility of a joint due to fusion of the bones.

Usage

This term is used specifically in medical contexts to describe a pathological state where a joint becomes fixed and cannot move. It often results from disease, chronic inflammation, or injury.

Examples
  • The patient's chronic arthritis led to ankylosis of the knee joint.
  • Surgical intervention may be necessary to correct ankylosis of the spine.
  • The X-ray confirmed ankylosis, showing complete bony fusion across the joint.
Advanced Usage
  • Ankylosing spondylitis: A specific, chronic inflammatory disease that primarily causes ankylosis of the joints in the spine.
    • He was diagnosed with ankylosing spondylitis, which causes progressive spinal ankylosis.
Variants and Related Words
  • Ankylosed (adjective): Describes a joint that has become stiff and fused.
    • The ankylosed elbow required a complex surgical procedure.
  • Ankylose (verb, less common): The process of becoming stiff or the act of causing stiffness in a joint.
Synonyms
  • Joint fusion
  • Stiff joint (general term)
  • Arthrodesis (specifically refers to surgical fusion of a joint, which is a controlled procedure, unlike pathological ankylosis)
Antonyms
  • Joint mobility
  • Articulation (in the sense of joint movement)
  • Flexibility
ankylosis

The patient's ankylosis made it difficult to bend his knee.

Noun
  1. abnormal adhesion and rigidity of the bones of a joint