Definition of vinculum in English:
vinculum
nounPlural vincula ˈvɪŋkjʊləmˈvɪŋkjələm
1Anatomy
A connecting band of tissue, such as that attaching a flexor tendon to the bone of a finger or toe.
Example sentencesExamples
- This supply comes through a series of transverse vincula, which function as passageways for blood vessels to reach the tendon.
- In type 2 injuries, the tendon retracts to the PIP level leaving the long vincula intact and preserving a portion of the nutritional blood supply from the sheath.
- The vinculum tendon emerges from the distal end of the humerus and follows the posterior margin of the wing, attaching at the distal end of digit 2.
- The most distinctive traits of broadbills are their foot tendons (the flexor hallueis and the flexor profundus tendons are joined by a vinculum band).
- It flexes the other three digits because it is attached to the flexor digitorum longus tendon by a vinculum along the distal portion of the tarsometatarsus.
2Mathematics
A horizontal line drawn over a group of terms in a mathematical expression to indicate that they are to be operated on as a single entity by the preceding or following operator.
Example sentencesExamples
- For notational convenience the negative digits are usually written with a vinculum, or overbar, instead of a prefixed minus sign.
Derivatives
adjective
The routes for the travel of nutrients by means of the synovial fluid around the tendon, intrinsic vessels within the peritenon and via the long and short vincular mesenteries are also maintained with minimal disruption.
Example sentencesExamples
- There is rarely more than one weak vincular attachment to the gastrocnemius muscle belly.
Origin
Mid 17th century (in the sense 'bond, tie'): from Latin, literally 'bond', from vincire 'bind'. The term has been used in anatomy since the mid 19th century.
Definition of vinculum in US English:
vinculum
nounˈvɪŋkjələmˈviNGkyələm
1Anatomy
A connecting band of tissue, such as that attaching a flexor tendon to the bone of a finger or toe.
Example sentencesExamples
- This supply comes through a series of transverse vincula, which function as passageways for blood vessels to reach the tendon.
- It flexes the other three digits because it is attached to the flexor digitorum longus tendon by a vinculum along the distal portion of the tarsometatarsus.
- In type 2 injuries, the tendon retracts to the PIP level leaving the long vincula intact and preserving a portion of the nutritional blood supply from the sheath.
- The most distinctive traits of broadbills are their foot tendons (the flexor hallueis and the flexor profundus tendons are joined by a vinculum band).
- The vinculum tendon emerges from the distal end of the humerus and follows the posterior margin of the wing, attaching at the distal end of digit 2.
2Mathematics
A horizontal line drawn over a group of terms in a mathematical expression to indicate that they are to be operated on as a single entity by the preceding or following operator.
Example sentencesExamples
- For notational convenience the negative digits are usually written with a vinculum, or overbar, instead of a prefixed minus sign.
Origin
Mid 17th century (in the sense ‘bond, tie’): from Latin, literally ‘bond’, from vincire ‘bind’. The term has been used in anatomy since the mid 19th century.