RETINACULUM Meaning and
Definition
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Retinaculum is a noun that refers to a band or ligament in the body that holds tendons, muscles, or other structures in place. It is derived from the Latin word "retinere," which means "to hold back or retain."
In medicine and anatomy, retinacula are fibrous bands found throughout the body that serve as attachments or support structures. They are often located near joints or bony prominences. The main function of retinacula is to stabilize tendons, preventing them from moving or shifting excessively during muscle contractions.
One of the most well-known examples of a retinaculum is the flexor retinaculum, also known as the transverse carpal ligament, located in the wrist. It forms a tunnel through which the tendons of the flexor muscles of the hand pass, ensuring their proper alignment and preventing them from bowstringing when the hand is flexed. Another example is the extensor retinaculum in the ankle, which holds the tendons of the extensor muscles in place.
Retinacula can be found in various regions of the body, such as the foot, shoulder, knee, and hip. They are essential for maintaining the stability and proper functioning of tendons and muscles, preventing injury and facilitating efficient movement.
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A frenum, or a retaining band or ligament.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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In bot., the viscid matter by which the pollen-masses in orchids, &c., adhere to a prolongation of the anther.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for RETINACULUM
Etymology of RETINACULUM
The word "retinaculum" has its roots in Latin. It comes from the Latin noun "retinaculum", which means a "bond" or "tie". Its verb form "retinēre" means "to retain" or "to hold back". In anatomy, a retinaculum refers to a band or ligament that holds tendons or other structures in place.
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