Definition

1. Noun:
   • The cranial suture between the occipital and parietal bones: The "lamboid suture" is the dense, fibrous joint connecting the occipital bone at the back and lower part of the skull to the two parietal bones on the sides and top.

Usage

• The term is used in anatomical, medical, and biological contexts to describe a specific structural feature of the human skull.
• It is typically used as a singular countable noun.

Examples

• Noun:
  • The lamboid suture is one of the major sutures of the cranium.
  • A fracture along the lamboid suture requires immediate medical attention.
  • In forensic anthropology, the fusion state of the lamboid suture can help estimate age.

Advanced Usage

• Anatomical Landmark: The lamboid suture serves as an important landmark for surgical procedures and radiological examinations of the head.
  • The neurosurgeon carefully avoided the lamboid suture during the operation.

Variants and Related Words

• Suture (n): A type of immovable joint, especially between the bones of the skull.
• Occipital bone (n): The bone forming the back and base of the skull.
• Parietal bone (n): Either of two bones forming the sides and roof of the skull.

Synonyms

• Occipitoparietal suture: A less common synonym with the same meaning.

Notes

• The name "lamboid" derives from the Greek letter lambda (Λ), due to the suture's resemblance to an upside-down lambda shape.
• It is sometimes misspelled as "lambdoid suture," which is also an accepted variant spelling reflecting its etymological origin.

Noun

1. the suture between the occipital and parietal bones