patellar retinaculum(redirected from aponeurosis of vastus muscles)
extensions of the aponeuroses of the vasti medialis and lateralis muscles that pass on each side of the patella, attaching to the margins of the patella and patellar ligament anteriorly, the collateral ligaments posteriorly, and the tibial condyles distally; form the anteromedial and (with the fibrous expansion of the iliotibial tract) the anterolateral portions of the fibrous capsule of the knee. See: lateral patellar retinaculum, medial patellar retinaculum.
One of two fibrous bands (medial and lateral) lying on either side of the knee joint and forming part of the joint capsule. These bands are extensions of the insertions of the medial and lateral vastus muscles of the thigh.
See also: retinaculum
pl. retinacula [L.]
1. a structure that retains an organ or tissue in place.
2. an instrument for retracting tissues during surgery.
a superficial transverse ligament passing obliquely across the palmar aspect of the carpus, completing the carpal tunnel.
one of three transverse ligamentous bands across the dorsal aspect of the hock, holding the digital extensor tendons in place.
a ridge formed by the coming together of segments of the ileocecal valve. Called also frenulum of ileocecal valve.
medial and lateral patellar ligaments.
a tendinous restraining structure, such as an annular ligament.