GLENOID CAVITY Meaning and
Definition
-
The glenoid cavity is a term used in anatomy to describe a specific structure found in the human body. It refers to a shallow, concave depression located on the lateral aspect of the scapula, or shoulder blade. The glenoid cavity is the site where the head of the humerus, or upper arm bone, articulates to form the glenohumeral joint, also known as the shoulder joint. This articulation allows for a wide range of movements in the shoulder, including flexion, extension, abduction, adduction, and rotation.
The glenoid cavity is lined with a layer of cartilage known as the glenoid labrum, which helps to deepen the cavity and provide stability to the joint. This structure acts as a cushion between the head of the humerus and the glenoid cavity, reducing friction and allowing for smooth, pain-free movement.
Due to its shallow nature, the glenoid cavity is more prone to dislocation than other joints in the body. Dislocation occurs when the head of the humerus slips out of the glenoid cavity, resulting in extreme pain and instability in the shoulder. This can commonly happen during sports or other activities that involve rapid and forceful movements of the arm.
Overall, the glenoid cavity plays a crucial role in the functioning of the shoulder joint, allowing for a wide range of movements and providing the foundation for arm mobility.
-
The hollow in the head of the scapula which receives the head of the humerus to make the shoulder joint, omocotyle, acetabulum humeri.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for GLENOID CAVITY
- flenoid cavity
- vlenoid cavity
- blenoid cavity
- hlenoid cavity
- ylenoid cavity
- tlenoid cavity
- gkenoid cavity
- gpenoid cavity
- goenoid cavity
- glwnoid cavity
- glsnoid cavity
- gldnoid cavity
- glrnoid cavity
- gl4noid cavity
- gl3noid cavity
- gleboid cavity
- glemoid cavity
- glejoid cavity
- glehoid cavity
Etymology of GLENOID CAVITY
The word "glenoid" is derived from the Greek word "glenos", which means "socket" or "hollow". It is often used in anatomy to refer to a shallow depression or socket, such as the glenoid cavity in the shoulder joint.
The term "cavity" originates from the Latin word "cavus", which means "hollow" or "cavity". In anatomy, it is used to describe a hollow or a space within a structure.
Therefore, the etymology of "glenoid cavity" can be understood as a combination of the Greek word "glenos" (socket) and the Latin word "cavus" (cavity), referring to the shallow socket-like structure found in the shoulder joint.
Infographic
Add the infographic to your website:
