scaphoid bone
Noun: * The largest wrist bone on the thumb side: The scaphoid bone is one of the eight small carpal bones that make up the wrist. It is located near the base of the thumb and is the largest bone in the row of carpal bones closest to the forearm (the proximal row). Its name comes from the Greek word for "boat-shaped," describing its elongated, curved form.
The term "scaphoid bone" is used specifically in anatomical, medical, and clinical contexts to identify this particular wrist bone. It is most commonly discussed in relation to injuries or conditions affecting the wrist. * The surgeon carefully examined the X-ray to assess the fracture in the scaphoid bone. * A fall onto an outstretched hand is a common mechanism for injuring the scaphoid bone. * The scaphoid bone articulates with the radius, lunate, trapezium, trapezoid, and capitate bones.
- Scaphoid Fracture: This is the most common specific carpal bone fracture. Due to the bone's unique blood supply, these fractures can be prone to poor healing or avascular necrosis (bone death from lack of blood flow).
- His scaphoid fracture required immobilization in a cast for several months.
- Scaphoid Nonunion: A condition where a fractured scaphoid bone fails to heal.
- The patient presented with a painful scaphoid nonunion that required surgical intervention.
- Scaphoid (Noun/Adjective): Often used alone as a shorthand for the scaphoid bone, especially in medical notes. As an adjective, it describes the boat-like shape of the bone or related structures.
- The radiologist noted a possible scaphoid injury. (Noun)
- The scaphoid abdomen is a medical sign. (Adjective)
- Navicular Bone: An older and now less common synonym for the scaphoid bone in the wrist. (Note: In the foot, the is a different tarsal bone).
- Os Scaphoideum: The Latin anatomical term for the scaphoid bone.
- Navicular (of the wrist): An equivalent term, though its use is declining in modern clinical practice to avoid confusion with the foot bone.
- Carpal Navicular: A more precise synonym that specifies the wrist location.
- Carpal Bones: The general group of eight wrist bones to which the scaphoid belongs.
- Proximal Carpal Row: The row of carpal bones (scaphoid, lunate, triquetrum, pisiform) closest to the forearm.
- Anatomical Snuffbox: The hollow on the back of the hand at the base of the thumb; tenderness here is a clinical sign of a potential scaphoid fracture.
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the largest wrist bone on the thumb side
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