Cranial sutures

Cranial Sutures

Cranial sutures (/ˈkreɪniəl ˈsuːtʃərz/) are fibrous joints that connect the bones of the skull. The term "suture" is derived from the Latin word "sutura," which means "seam."

Etymology

The term "suture" comes from the Latin word "sutura," meaning "seam." It is used in anatomy to describe the lines where the bones of the skull meet. The prefix "cranial" is derived from the Latin word "cranium," which means "skull."

Description

Cranial sutures are fibrous bands of tissue that connect the bones of the skull. They allow for the expansion of the brain during infancy and childhood. The major cranial sutures are the sagittal, coronal, lambdoid, and squamosal sutures.

Sagittal Suture

The sagittal suture is the line where the two parietal bones meet in the middle of the skull.

Coronal Suture

The coronal suture is the line where the frontal bone and parietal bones meet.

Lambdoid Suture

The lambdoid suture is the line where the parietal bones meet the occipital bone.

Squamosal Suture

The squamosal suture is the line where the parietal and temporal bones meet.

Related Terms

• Skull
• Sagittal suture
• Coronal suture
• Lambdoid suture
• Squamosal suture

External links

• Medical encyclopedia article on Cranial sutures
• Wikipedia's article - Cranial sutures

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