2024年9月7日 · A bursa is a small sac lined by synovial membrane, and filled with synovial fluid. Bursae are located at key points of friction in a joint. They afford joints greater freedom of movement, whilst protecting the articular surfaces from friction-induced degeneration

2024年5月22日 · A bursa is a fluid-filled sac that acts as a cushion between bones, tendons, and muscles to reduce friction and allow smooth movement. The joint capsule, on the other hand, is a fibrous...

2024年9月13日 · There are about five bursae that surround various areas of your knee joint, providing cushioning. They include the pre-patellar bursa, found overlying the kneecap, the suprapatellar bursa, separating the knee-cap from the thigh bone (femoral condyle) and the infrapatellar bursa, found below the kneecap overlying the patellar tendon.

A synovial bursa, usually simply bursa (pl.: bursae or bursas), is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous synovial fluid (similar in consistency to that of a raw egg white).

2023年10月30日 · The bursa is a small sac filled with lubricating fluid present in joints of the body. They are usually found in the synovial joints, between the tendons and bones. The major joints (e.g. knee joint) can have several bursae, and there …

2021年11月9日 · Knee bursae are sacs surrounding the knee joint that are filled with synovial fluid. They facilitate movement and reduce friction where tendons or muscles pass over bony prominences. The knee bursae can be either communicating or non-communicating with the knee joint itself. There are four bursae anterior to the knee joint:

The articular capsule of the knee joint is the wide and lax joint capsule of the knee. It is thin in front and at the side, and contains the patella, ligaments, menisci, and bursae of the knee. [1] The capsule consists of an inner synovial membrane, and an outer fibrous membrane separated by fatty deposits anteriorly and posteriorly. [2]

In anatomy, a joint capsule or articular capsule is an envelope surrounding a synovial joint. [1] Each joint capsule has two parts: an outer fibrous layer or membrane, and an inner synovial layer or membrane.

2016年10月24日 · Synovial bursae or synovial recesses are extensions of the synovial membrane between different anatomical structures, and their role is to reduce the friction during the motion of these structures. The knee bursae are numerous and, in the absence of pathological changes, rarely apparent on MR imaging [3].

An adventitial bursa describes an acquired fluid filled soft tissue abnormality that develops at a pathologic or iatrogenic site of increased friction between two structures, often between bone or hardware and the overlying soft tissues. The latter may not be synovial lined.