articulatio plana
Definition
Noun: A synovial joint where the opposing bone surfaces are nearly flat or only slightly curved. This anatomical structure permits primarily gliding or sliding movements between the bones, with very limited rotation or angular motion. It is a fundamental type of joint in the skeletal system.
Usage
This is a specialized technical term used primarily in anatomy, medicine, and biology. It describes a specific class of joint based on its structure and range of motion. * It functions as a countable noun (e.g., an articulatio plana, several articulationes planae).
Examples
- The joints between the carpal bones in the wrist are classic examples of an .
- An allows bones to slide past one another, which is essential for fine adjustments in hand and foot position.
- Compared to a ball-and-socket joint, an has a much more restricted range of motion.
Advanced Usage
- The term is often used in comparative anatomical descriptions to contrast with other joint types like (ball-and-socket joint) or (pivot joint).
- In clinical contexts, it may be referenced when discussing joint injuries, arthritis, or biomechanics affecting these specific gliding joints.
Variants and Related Words
- Gliding Joint: The common English equivalent term.
- Plane Joint: Another synonymous English term.
- Arthrodial Joint: An older, synonymous term still occasionally used.
- Synovial Joint (): The broader category to which belongs.
Synonyms
- Gliding joint
- Plane joint
- Arthrodial joint
Antonyms
- (ball-and-socket joint)
- (pivot joint)
- Hinge joint
Noun
-
a freely moving joint in which the articulations allow only gliding motions
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