| A large, saclike, round-to-oblong sporangium is sunk into a pit on the inner surface of each leaf base, where a small, thin structure known as a ligule also occurs. |
| Once diverse and important, the cystoids had saclike bodies that were attached to a stem anchored to the seafloor. |
| The octopods have a saclike body with eight arms of about equal size, in some kinds thick and short, in others long and snaky. |
| A saclike dilation in the wall of an artery as the result of weakness of its tissues. |
| Fallopian tubes often have a short dilated ampulla, or saclike swelling, just beyond the ostium. |
| The stomach, located in the upper abdomen just below the diaphragm, is a saclike structure with strong, muscular walls. |
