fibrous joint
Học thuậtThân thiện
The fibrous joints between the skull bones provide strong protection for the brain.
Definition
Noun: * An immovable joint (especially between the bones of the skull): A type of joint where bones are connected by dense fibrous connective tissue, allowing for little to no movement. This provides a strong, stable connection.
Usage
- The term "fibrous joint" is a technical anatomical term. It is used in medical, biological, and anatomical contexts to classify and describe specific types of bone connections.
- It is often contrasted with "cartilaginous joint" (slightly movable) and "synovial joint" (freely movable).
Examples
- The sutures of the skull are classic examples of a fibrous joint.
- A syndesmosis, such as the connection between the tibia and fibula in the lower leg, is a type of fibrous joint that permits slight movement.
- Gomphoses, which attach teeth to their sockets, are also categorized as fibrous joints.
Advanced Usage
- Functional Classification: In functional anatomy, fibrous joints are classified as "synarthroses," meaning immovable joints.
- Pathology: Abnormal fusion or ossification of a fibrous joint (like a cranial suture fusing prematurely) is a medical condition known as "craniosynostosis."
Variants and Related Words
- Synarthrosis (n): The functional term for an immovable joint; a fibrous joint is a type of synarthrosis.
- Suture (n): A specific type of fibrous joint found only between the bones of the skull.
- Syndesmosis (n): A fibrous joint where bones are connected by a ligament, allowing for minimal movement (e.g., between the tibia and fibula).
- Gomphosis (n): A peg-and-socket type of fibrous joint (e.g., a tooth in its alveolar socket).
Synonyms
- Immovable joint
- Synarthrosis (functional synonym)
Antonyms
- Synovial joint (freely movable joint)
- Diarthrosis (functional term for a freely movable joint)
- Cartilaginous joint (slightly movable joint)
The fibrous joints between the skull bones provide strong protection for the brain.
Noun
- an immovable joint (especially between the bones of the skull)