1.   Cats secrete a protein found on their skin or in saliva that causes itching, sneezing and hives in some humans.

2.   In their multicellular configuration, the organisms secrete adhesive proteins that tend to draw them together.

3.   Once it has matured, the floor plate begins secreting netrin proteins into the surrounding fluids.

4.   The abalone secretes proteins, Belcher said, which cause calcium carbonate to form thin layers of crystal that overlap like bricks in a house.

5.   Astrocytes signal neurons to build synapses by secreting a protein.

6.   Genzyme essentially built a gene that produced the protein, bred mice with that gene, and found the mice secreted the protein in their milk.

7.   The complement system is controlled by cells that secrete neutralizing proteins.

8.   They secrete more protein in the urine when they are in a prolonged up-and-about position.

9.   USDA scientists then cloned a Jersey cow they hope will be resistant to the disease by secreting a protein called lysostaphin.