Lambda
Locus lambda
- Latin synonym: Lambda
Definition
Lambda is the point where the sagittal suture, running along the midline, and the lambdoid suture, running sideways, come together. It is the spot where the posterior fontanelle, a soft spot on an infant's skull, closes at around 6-8 weeks after birth.
References
Drake, R.L., Vogl, A.W. and Mitchell, A.W.M. (2009). ‘Chapter 8: Head and Neck’ in Gray’s anatomy for Students. (2nd ed.) Philadelphia PA 19103-2899: Elsevier, pp. 818.
Lipsett BJ, Reddy V, Steanson K. Anatomy, Head and Neck: Fontanelles. [Updated 2023 Jul 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK542197/
