The nasolacrimal sacs are responsible for draining tears from the eyes into the nose.

The tear sacs are responsible for draining tears from the eyes.

The ultrasound showed two gestational sacs.

The ultrasound showed multiple gestation sacs.

The embryos were observed with yolk sacs attached.

The dart sacs of the octopus are used to store and shoot out ink.

The embryo sacs are the female reproductive structures in flowering plants.

The lachrymal sacs are responsible for draining tears from the eyes.

The beach was covered in shell sacs.

The octopus has ink sacs to defend itself from predators.