Functional Anatomy

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Functional Anatomy

Category: Coursework

Subcategory: Biology

Level: College

Pages: 5

Words: 1375

What is the difference between a displaced and non-displaced fracture?
In a displaced fracture, the bone breaks into two or more sections and shifts position so that the two ends are not on a straight line. In a non-displaced fracture, the bone cracks all of the way through or either part but does not move thereby maintaining its proper alignment. Define as related to fracture healing:
Non-Union: This refers to a situation where a broken bone fails to heal.
Mal-Union: This refers to a situation where the fracture heals with the two ends of the bone not lined up correctly.
Delayed Union: This refers to a situation where the fracture takes longer than usual to heal.
What is Open Reduction vs. Closed Reduction treatment of a fracture?
Open reduction entails the exposure of fracture fragments by dissecting the tissues surgically whereas closed reduction refers to the handling of the bone pieces without exposing them.
Explain Wolff’s Law:
Wolff’s law states that a bone in a healthy animal or human being will adapt to the loads under which it is placed. Therefore, if the loading on the bone increases, the bone will become stronger to accommodate the additional load by remodeling itself over time. The inverse is also true.
Define and provide 2 examples for the following articulations:1. Fibrous Articulation-
These are fixed joints in which a layer of white fibrous tissue of varying thickness unites the bones.
Example 1. Sutures between skull bones Example 2. Gomphoses attaching…

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