Synovium and Tissue layer

Synovium noun - A thin membrane in synovial (freely moving) joints that lines the joint capsule and secretes synovial fluid.

Tissue layer and synovium are semantically related. In some cases you can use "Tissue layer" instead a noun "Synovium".

Tissue layer noun - A pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants.

Synovium and tissue layer are semantically related. Sometimes you can replace term "Synovium" with "Tissue layer", this terms are similar.