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

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

“It’s quality at-bats, quality outs, moving guys over, getting sac flies, bringing defenses in if you move them over,” Freeman said.

From Los Angeles Times ● Sep. 14, 2025

In their report, the doctors blamed Garfield's death on the bursting of this sac.

From "Ambushed!" by Gail Jarrow

Caitlin and Grace had been believed to be fraternal twins because they developed in different amniotic sacs, but doctors found their markers were exactly the same while assessing Grace as a potential stem cell donor.

From BBC ● Jul. 1, 2026

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 spiders’ white egg sacs, usually laid between October and November, are often attached to leaves, tree bark and flat structures and contain 400 to 500 eggs, according to Jorowatch.

From Los Angeles Times ● Apr. 9, 2026

Fibroblasts play a key role in keeping the lungs' airways and air sacs stable and functional.

From Science Daily ● Apr. 3, 2026

Male frigate birds with bright red balloonlike sacs under their chins cruised the shore.

From "Frightful's Mountain" by Jean Craighead George