Sentences with phrase «foreign substances called»

An allergy occurs when the cat's immune system «overreacts» to foreign substances called allergens or antigens.

Because all the itchy mice had a defective version of the E3 ligase, Copeland suspects that their ubiquitin systems fail to tag immune - related defense proteins or foreign substances called antigens for disposal — both of which then might pile up and attract too many helper macrophages to the scene, wreaking havoc with the immune response.

Not exact matches

One important type of immoglubin is called secretory immunoglobulin A (sIgA) and has the ability to bind to foreign substances (including harmful bacteria) so they can be eliminated from the body.

University of Illinois professor of entomology May Berenbaum, who led the study, said that many organisms use a group of enzymes called cytochrome P450 monooxygenases to break down foreign substances such as pesticides and compounds naturally found in plants, known as phytochemicals.

Delivering drugs to the brain is complicated because the three - pound organ is shielded by a complex network of blood vessels, called the blood - brain barrier, that keeps out foreign substances.

Through his work with large patient groups, he has managed to show that narcolepsy is closely genetically linked to so - called HLA molecules, which play a key part in the immune system by presenting foreign substances to immune cells.

We call these foreign invaders antigens, or foreign substances that trigger an immune response.

When the permeability of the gut lining has been altered, this allows toxins, bacteria, and foreign substances like food and antigens to enter the blood stream, causing something called «leaky gut.»

10 — Suspected Exposure / Ingestion of a Toxic Substance or Foreign Object: If you suspect that your pet has come into contact or ingested a toxic substance after hours, call an emergency veteSubstance or Foreign Object: If you suspect that your pet has come into contact or ingested a toxic substance after hours, call an emergency vetesubstance after hours, call an emergency veterinarian.

Unfortunately many of the substances chosen can not be digested in the same way as food and there is a risk that it will cause an obstruction in the intestines and require surgery (called a laparotomy) to remove the material (referred to as a «foreign body»).

If you suspect your pet has been exposed to any poisonous substances or ingested a foreign object, contact your veterinarian or call Animal Poison Control Center (APCC) at 888-426-4435 immediately.

A number of lawmakers, foreign governments and environmental advocates had urged the administration to offer an amendment to the Montreal Protocol, the international treaty on ozone - depleting substances, calling for the rapid elimination of HFC's.