femur
/'fi:mə/
Học thuậtThân thiện
Definition
- Noun:
- The longest and thickest bone in the human skeleton; extends from the pelvis to the knee: The femur is the major bone of the upper leg or thigh, connecting the hip joint to the knee joint.
Usage
- The word "femur" is a countable noun. Its standard plural form is femurs, though the Latinate plural femora is also used, particularly in formal or scientific contexts.
- It is used to refer to this specific bone in anatomy, medicine, biology, and related fields.
Examples
- Noun:
- A fracture of the femur is a serious injury.
- The femur supports the weight of the body during standing and walking.
- In the skeleton, the femur articulates with the acetabulum of the pelvis.
Advanced Usage
- "Femoral" (adjective): Pertaining to the femur or the thigh region.
- The femoral artery is a major blood vessel in the leg.
- "Femur length": A specific measurement, often used in fields like anthropology or prenatal ultrasound.
- The femur length of the fetus is within the normal range.
Variants and Related Words
- Femora (n): The plural form of femur, often used in academic or medical writing.
- Femoral (adj): Relating to the femur or the thigh.
- Femur head (n): The rounded upper end of the femur that fits into the hip socket.
- Femoral neck (n): The constricted section of the femur just below the head.
Synonyms
- Thigh bone: The common, non-technical synonym for femur.
Related Phrases / Compound Terms
- Femur fracture: A break in the thigh bone.
- Femoral shaft: The long, cylindrical main body of the femur.
- Distal femur: The lower end of the femur, near the knee.
Noun
- the longest and thickest bone of the human skeleton; extends from the pelvis to the knee