Construct · 1 fields · 1 citations

lambda sign: a standalone construct

One name. One construct. A landmark on the map.

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Obstetrics

a triangular projection of placental tissue into the base of the dividing membrane on early ultrasound, indicating a dichorionic twin pregnancy.

In obstetrics, lambda sign refers to a triangular projection of placental tissue into the base of the dividing membrane on early ultrasound, indicating a dichorionic twin pregnancy. This meaning comes from Sepulveda (1996) in Ultrasound in Obstetrics & Gynecology.[1]

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Nearby constructs

base3 fields · 4 citationsjingle · one word, three constructs membrane4 fields · 4 citationsjingle · one word, four constructs projection4 fields · 5 citationsjingle · one word, four constructs

References

Sepulveda, W., Sebire, N. J., Hughes, K., Odibo, A., & Nicolaides, K. H. (1996). The lambda sign at 10–14 weeks of gestation as a predictor of chorionicity in twin pregnancies. Ultrasound in Obstetrics & Gynecology, 7(6), 421-423. https://doi.org/10.1046/j.1469-0705.1996.07060421.x

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