Lambdoid suture
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| Bone: Lambdoid suture | |
|---|---|
| Side view of the skull. ('Lambdoidal suture' visible at right.) | |
| Latin | sutura lambdoidea |
| Gray's | subject #32 132 |
| Dorlands / Elsevier | s_30/12774079 |
The lambdoid suture (or lambdoidal suture) is a dense, fibrous connective tissue joint that separates the parietal and temporal bones of the skull from the occipital bone.
Its name comes from the lambda-like shape this suture makes on the back of the skull.
Medical implications
At birth, the bones of the skull do not meet.
If certain bones of the skull grow too fast, then craniosynostosis (premature closure of the sutures) may occur. This can result in skull deformities.
If the lambdoid suture closes too soon on one side, the skull will appear twisted and asymmetrical, a condition called "plagiocephaly."
The lambdoidal suture articulates with the occipital bone and parietal bones
References
- "Sagittal suture." Stedman's Medical Dictionary, 27th ed. (2000).
- Moore, Keith L., and T.V.N. Persaud. The Developing Human: Clinically Oriented Embryology, 7th ed. (2003).
External links
- SUNY Figs 22:01-03 (Posterior)
- SUNY Figs 22:03-02 (Lateral)
- Roche Lexicon - illustrated navigator, at Elsevier 34256.000-2
- Diagram at SUNY/Upstate
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
