Why aren't you rejecting her as foreign tissue- she's completely different from you!

He said the shots disrupted the first two steps in the immune system's response to foreign tissue.

Because the animals lacked defenses, they did not reject the foreign human tissues.

In foreign tissue, the cancer cell, now called a micrometastasis, faces a hostile environment.

Many patients are given drugs to prevent rejection of foreign tissue.

She grew four hairs and did not experience immune-system rejection of the foreign tissue.

The body's immune system will see the new cells as foreign tissue and reject them.

The gene helps the immune system distinguish cells of the body from foreign tissue.

The investigators reasoned that any foreign tissue in the thymus might become part of the education process.

Prior to that, an attempt in the 1960s had failed because the patient's body rejected the new hand as foreign tissue.