diaphysis
/dai'æfisis/
Học thuậtThân thiện
Definition
- Noun:
- The main (mid) section of a long bone: The diaphysis is the central, elongated shaft of a long bone, such as those found in the arms (humerus, radius, ulna) and legs (femur, tibia, fibula). It is primarily composed of compact bone and contains the medullary cavity, which houses bone marrow.
Usage Examples
- Noun:
- The fracture occurred in the diaphysis of the femur.
- In a growing child, the diaphysis is separated from the bone ends by growth plates.
Advanced Usage
- Medical/Anatomical Context: The term is almost exclusively used in medical, anatomical, and biological contexts to describe bone structure precisely.
- The surgeon placed a metal rod inside the diaphysis to stabilize the broken bone.
Variants and Related Words
- Diaphyseal (adj): Pertaining to the diaphysis.
- The diaphyseal region showed signs of healing on the X-ray.
- Metaphysis (n): The wider part at the end of the diaphysis, adjacent to the growth plate.
- Epiphysis (n): The rounded end of a long bone, separated from the diaphysis by the metaphysis during growth.
Synonyms
- Shaft: A common, less technical synonym for the diaphysis of a long bone.
Noun
- the main (mid) section of a long bone