acetabulum

Thân thiện

A medical diagram shows the acetabulum of the human pelvis.

Definition

Noun: * Anatomy: The cup-shaped socket in the pelvis (specifically, the hip bone) that receives and articulates with the rounded head of the femur (thigh bone), forming the hip joint.

Examples of Usage

• Noun:
  • The surgeon carefully examined the acetabulum for signs of fracture.
  • In a healthy hip, the head of the femur rotates smoothly within the acetabulum.
  • Osteoarthritis can cause the cartilage lining the acetabulum to wear down.

Advanced Usage

• Acetabular (adjective): Pertaining to the acetabulum.
  • The patient underwent surgery to repair an acetabular labral tear.

Variants and Related Words

• Hip socket: A common descriptive synonym for the acetabulum.
• Cotyloid cavity: An older, less common anatomical term for the acetabulum.

Synonyms

• Hip socket

Notes on Meaning

This is a specialized anatomical term with a single, precise meaning. It is not used in everyday conversation but is standard in medical, biological, and anatomical contexts.

Học thuật

Noun

1. the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint

Từ đồng nghĩa

• cotyloid cavity