The embryos were observed with yolk sacs attached.

I need to sac up and confront my fears.

I am a student at Sac State.

Sac fungi are a diverse group of fungi that have a sac-like structure.

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 air sacs in the lungs are responsible for the exchange of oxygen and carbon dioxide.

Sac City is a beautiful place to visit.

Sac County is located in Iowa.

The lachrymal sac is responsible for draining tears from the eye.