Definition

Noun 1. The femur; the thigh bone: The longest, largest, and strongest bone in the human body. It is located in the upper leg, extending from the hip joint (pelvis) to the knee joint.

Usage Notes

• The term femoris is the genitive singular form of the Latin word , meaning "of the thigh." In modern English anatomical terminology, it is primarily used in the compound name "quadriceps femoris" to specify the large thigh muscle. The standalone English word for this bone is femur.
• It is a technical, anatomical term.

Examples

• The fracture was located in the upper third of the femoris.
• A common site for osteoporosis-related fractures is the neck of the femoris.
• The surgeon inserted a rod to stabilize the broken femoris.

Advanced Usage

• Quadriceps femoris: The large muscle group at the front of the thigh, responsible for extending the knee. The "femoris" here specifies its location on the thigh bone.
  • Strengthening the quadriceps femoris is crucial for knee stability.

Variants and Related Words

• Femur (n): The standard English term for the thigh bone.
• Femoral (adj): Pertaining to the femur or thigh.
  • Example: The femoral artery is a major blood vessel.

Synonyms

• Thigh bone
• Femur

Related Anatomical Terms

• Patella: The kneecap, which articulates with the distal end of the femur.
• Pelvis: The bony structure to which the proximal end (head) of the femur connects.
• Tibia: The shinbone, which forms the lower part of the knee joint with the femur.

Noun

1. the longest and thickest bone of the human skeleton; extends from the pelvis to the knee