A basitarsus is the basal segment of an arthropod tarsus - any of the arthropod's articulations in its foot.
diarthroses
sutures
Articulations
Immovable joints, also known as synarthroses, are articulations that permit no movement. These joints are held together by fibrous connective tissue and are commonly found in the skull.
the articulations or joints between two bones.
Skeletal articulations are joints in the body where bones meet and interact. These joints allow for movement, support, and flexibility in the skeletal system. Examples include ball-and-socket joints, hinge joints, and pivot joints.
big foot is not real.
"Articulations" are another word for joints, meaning the places where two bones connect.
They are not actually fastened together, that would mean that they are fused. They are connected to each other with very strong tissues called ligaments that hold them in place. In some places they form complex connections to form joints. These are called articulations.
spinous process, facets, and demifacets
quadriceps