sac

In a dark room, a doctor pointed to an hourglass shape glowing on the ultrasound screen: There was her amniotic sac, funneling into her dilated cervix, and there was their tiny daughter’s foot, dipping out.

From Salon ● May 27, 2026

In these cases, the sheer size of the cell and the presence of a large yolk sac prevent the actin ring from fully closing.

From Science Daily ● Feb. 28, 2026

At the inquest on Monday, the court also shown photographs of the area behind a number of houses on the cul de sac.

From BBC ● Jan. 29, 2026

Meanwhile, the cul de sac, a street design much in favor with the architects of suburban developments, have become artificial catchments for these highly flammable weeds.

From The Wall Street Journal ● Nov. 17, 2025

They took no food, living on the large yolk sac.

From "Silent Spring" by Rachel Carson

In another chapter, Mr. Haskell follows the path of an owlet moth into the cranefly orchid’s flower and lets us watch how sacs of pollen attach themselves to the insect’s eye.

From The Wall Street Journal ● Apr. 17, 2026

The scientists also found significant changes in epithelial cells that line the lungs and the tiny air sacs responsible for breathing.

From Science Daily ● Mar. 13, 2026

Caitlin and Grace were in different amniotic sacs in the womb, so their parents believed they were fraternal twins.

From BBC ● Feb. 24, 2026

Ovarian cysts are fluid-filled sacs found in an ovary or on its surface.

From Los Angeles Times ● May 22, 2025

This wasn’t too difficult, as the younger boys took one look at the shiny, wrinkled gray sacs and turned away in horror; you couldn’t have paid them to put one in their mouths.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly