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

The next day she was diagnosed with pericarditis - an inflammation of the fluid-filled sac around the heart.

From BBC ● Oct. 12, 2025

“Egg laying. It’s time I made an egg sac and filled it with eggs.”

From "Charlotte's Web" by E.B. White

This changes the volume of the air sacs and gives the larvae precise control over their depth.

From Science Daily ● Jul. 27, 2026

The sacs survived pressures equal to those found at depths of more than 400 meters, which is far deeper than the larvae normally travel during their daily migration.

From Science Daily ● Jul. 27, 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

She drank from the edge of the pool, careful to keep the delicate eggs sacs on her abdomen out of the water.

From "Ceremony:" by Leslie Marmon Silko