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

Up overhead, in the shadows of the ceiling, Charlotte crouched unseen, her front legs encircling her egg sac.

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

They 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 ● Jun. 9, 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 poison sacs of the town began to manufacture venom, and the town swelled and puffed with the pressure of it.

From "The Pearl" by John Steinbeck