The Sutural Joint is a type of joint found only in the skull, where the bones are joined together by fibrous tissue. The spelling of this word is pronounced as /suːtjʊlər dʒɔɪnt/. The first part of the word is spelt as "sutural" where the "u" is pronounced as "oo" and the "t" and "u" are pronounced separately. The second part of the word is spelt as "joint" and is pronounced as "dʒɔɪnt". The correct spelling and pronunciation of this word are essential for the correct diagnosis and treatment of medical conditions related to the skull's anatomy.
A sutural joint, also known as a fibrous joint or a syndesmosis, is a type of joint found in the human body where two or more bones are connected by fibrous connective tissue called sutures. These specialized joints are commonly found in the skull, specifically between the flat bones of the cranium.
Characterized by immobility, sutural joints play a unique role in providing structural support and protection to delicate organs, such as the brain. They strengthen the overall integrity of the skull and prevent excessive movement, thus ensuring that the brain is adequately protected from external forces.
Sutural joints are formed when adjacent bones interlock through irregularly shaped edges. Fibrous connective tissue, primarily composed of collagen, holds the bones firmly together. This strong and flexible connective tissue enables a limited amount of movement, allowing for slight expansion and contraction during periods of growth and development.
Unlike other joint types, such as synovial joints, sutural joints lack a joint cavity, synovial fluid, and synovial membrane. Rather, they rely solely on the fibrous connective tissue to maintain stability and flexibility. This lack of mobility in sutural joints is crucial because it prevents excessive deformation of the skull and ensures proper fit and alignment of the cranial bones.
Overall, sutural joints serve an essential role in the human body by providing structural support and protection to the brain, while also accommodating growth and development during various stages of life.
Suture (1).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "sutural joint" is derived from the Latin term "sutura", which means "seam" or "suture". In anatomy, a sutural joint refers to a type of joint found only between the bones of the skull, specifically the edges where the cranial bones join together. These joints are immovable and are connected by fibrous tissues called sutures.