Synarthrosis. An immobile or nearly immobile joint is called a synarthrosis (plural = synarthroses). The immobile nature of these joints provide for a strong union between the articulating bones. This is important at locations where the bones provide protection for internal organs.

Why are synarthroses an important component of fibrous joints?

Why are synarthroses an important component of fibrous joints? Synarthroses are immoveable joints. Fibrous joints are found in places where support and protection are the primary functions. Having immoveable joints in these areas is key to carrying out this function.

What is the purpose of ligaments?

A ligament is a fibrous connective tissue that attaches bone to bone, and usually serves to hold structures together and keep them stable.