glenoid cavity
Học thuậtThân thiện
Definition
- Noun:
- Anatomical structure: The glenoid cavity is a shallow, cup-shaped depression or fossa located on the lateral aspect of the scapula (shoulder blade).
- Joint function: It serves as the socket that articulates with the head of the humerus (the upper arm bone) to form the glenohumeral joint, commonly known as the shoulder joint.
Usage Examples
- Noun:
- The stability of the shoulder joint depends significantly on the depth and orientation of the glenoid cavity.
- During the anatomy exam, the students were required to identify the glenoid cavity on the scapula model.
- An injury to the labrum, a rim of cartilage that deepens the glenoid cavity, can cause shoulder instability.
Advanced Usage
- "Glenoid" as a modifier: The term "glenoid" is often used as an adjective to describe structures related to this cavity.
- The surgeon repaired the torn glenoid labrum.
- Pathological context: Used when discussing injuries, diseases, or surgical procedures involving the shoulder socket.
- The patient has osteoarthritis with significant erosion of the glenoid cavity.
Variants and Related Words
- Glenoid fossa: A synonymous term for the glenoid cavity.
- Glenohumeral joint: The ball-and-socket joint formed by the glenoid cavity and the humeral head.
- Glenoid labrum: A fibrocartilaginous rim attached to the margin of the glenoid cavity that helps deepen the socket and stabilize the joint.
Synonyms
- Glenoid fossa: The primary synonym in anatomical terminology.
- Shoulder socket: A common, non-technical term.
Related Phrases
- "Glenoid version": Refers to the angle of tilt of the glenoid cavity, a measurement used in orthopedic surgery.
- "Glenoid rim": The outer edge or border of the glenoid cavity.
Noun
- the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint