The superior articular process of the sacrum articulates with the inferior articular process of the last lumbar vertebra (L5) to form the lumbosacral joint.
The joint between the sacrum and the hip bone is the sacroiliac joint. It is also known as the SI joint. They form the articular surfaces.
At articular surfaces. And epiphysial plates in children
the sacrum is located in the back
The sacrum has a base, an apex, and three surfaces: a pelvic, dorsal and a lateral surface.
Menisci
The thin layer of hyaline cartilage on articulating surfaces of bones is called articular cartilage. It helps to reduce friction between bones and absorb shock during movement.
Each vertebra typically has two articular surfaces, which are the surfaces where one vertebra meets another. These surfaces are covered with cartilage and form joints called facet joints, which allow for smooth movement and stability within the spine.
ankylosis of a joint means fusion of the articular surfaces renderring the joint immobile
In symphysis joints, the articular surfaces of the bones are covered with hyaline cartilage and fibrocartilage. The fibrocartilage acts as a shock absorber and provides stability to the joint while the hyaline cartilage allows for smooth movement between the bones.
The smooth layer of connective tissue protecting the bone surfaces in a synovial joint is called articular cartilage. It helps reduce friction and absorb shock during joint movement.
The membrane of fibrous connective tissue which closely invests all bones except at the articular surfaces.