𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Ultrasound visualization of the human yolk sac

✍ Scribed by Margit Mantoni; Jan Fog Pedersen

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
134 KB
Volume
7
Category
Article
ISSN
0091-2751

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Ultrasound scanning in early pregnancy sometimes reveals a 2–5‐mm spheric structure lying adjacent to the fetus. The occurrence of this structure was studied in 60 consecutive ultrasound examinations. In the 7th to 9th weeks the sphere was seen in 19 of 22 examinations, and in the 10th and 11th weeks it was seen in 10 of 20 examinations. The sphere was not demonstrated in any of 18 examinations in the 12th to 14th weeks. It is believed that the spheric structure is the yolk sac.

πŸ“œ SIMILAR VOLUMES

Ultrasound demonstration of the normal f
Ultrasound demonstration of the normal fetal yolk sac
✍ Eric Sauerbrei; Peter L. Cooperberg; Betty J. Poland πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 English βš– 353 KB

## Abstract Using high‐resolution real‐time ultrasound in the first trimester of pregnancy, we have been able to demonstrate, in addition to the fetus, the yolk sac and the amniotic membrane. Pitfalls to avoid in first‐trimester pregnancies include (a) mistaking the yolk sac for a second separate f

Presence of sucrase in the yolk sac of t
Presence of sucrase in the yolk sac of the chick
✍ Matsushita, Susumu πŸ“‚ Article πŸ“… 1986 πŸ› John Wiley and Sons 🌐 English βš– 722 KB

The presence of sucrase in the yolk sac of the chick was studied biochemically and immunologically. The sucrase was partially purified from the yolk sac of hatched chicks and was compared with the sucrase purified from the small intestine. Immunodiffusion with antiserum against intestinal sucrase an

Transvaginal sonography of the yolk sac
Transvaginal sonography of the yolk sac in normal and abnormal pregnancy
✍ Stampone, C.; Nicotra, M.; Muttinelli, C.; Cosmi, E. V. πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 718 KB

A cross-sectional study comprising 117 consecutive first trimester singleton pregnancies was performed using transvaginal sonography (TVS) to evaluate size abnormalities of the secondary yolk sac (YS) vis-a-vis pregnancy outcome. In normal pregnancy outcome (NPO) the YS diameter showed an increase f