1.   Hedgehogs, which fish in this region, float about up there, remaining aloft due to the inflated sacs of natural methane which surround their bodies.

2.   Another means of delivery could be to encase telomerase genes in sacs of fatty molecules called liposomes.

3.   But it has the longest fangs and the largest venom sacs of any snake, and its venom is among the deadliest, experts say.

4.   In its skin are cells called chromatophores, and each has little sacs of red, black and yellow pigments.

5.   Instead, it is encased in a sac of fluid.

6.   Like the look-alike cul de sacs of the neighborhood that gives the band its name, this flick is generic, repetitive and boring.

7.   Retroviruses, little sacs of genetic material, put out a kind of reverse code or defective blueprint causing cell overgrowth.

8.   Sacs of pollen have a clip that attaches directly to the tongue of a foraging sunbird, only to be unclipped when the bird arrives at the next flower.

9.   The injuries cause the tendon, the sac of fluid around it, and the joint to get thicker and rub together painfully.

10.   The Yankees initially described the injury as tendinitis, and later said there was also inflammation in the bursa sac of his pitching shoulder.