Carbon dioxide passes from the blood through the thin gill tissue into the water.

Clamp connections are present in the hyphae of the cuticle and the gill tissue.

You're of course familiar, Doctor," he said, "with the difference between lung tissue and gill tissue.

For one thing, gill tissue has no mucus-secreting cells to keep the surfaces moist out of water.

Damage caused to the gill tissue of an infected fish can also reduce respiratory efficiency.

They fit inside the pocket created by removing the crab's spongy gill tissue.

Lift the flap on each side, and remove the spongy gill tissue underneath.

This parasite, which is specifically found in the gill tissue is common to coldwater fish.

It has symbiotic zooxanthellae in its mantle and gill tissues.

The gill tissue is made of branching hyphae about 7-12 m wide.