The lateral retinaculum is a fine sheet of aponeurotic tissue stabilising the patella.
Lateral retinaculum is an aponeurosis
The lateral retinaculum around the patella is an extension of the fibrous 'aponeurosis' of the quadriceps muscles.
An aponeurosis is a fibrous sheet-like expansion of a tendon, for example of the biceps femoris or quadriceps muscles.
The lateral retinaculum is a fine sheet of aponeurotic tissue stabilising the patella.
The lateral retinaculum around the patella is an extension of the fibrous 'aponeurosis' of the quadriceps muscles.