Certain molecules contribute to the first line of defense in the gastrointestinal tract,including ________.

Question

Quizplus · Accepted Answer

Lysozyme and lactoferrin are antimicrobial proteins found in saliva, tears, and milk, as well as in the gastrointestinal tract. They work by killing or inhibiting the growth of bacteria and other microorganisms, thus contributing to the first line of defense in the gastrointestinal tract. Complement, interleukin-1, interferon, histamine, and leukotriene are also involved in the immune response, but they are not part of the first line of defense in the gastrointestinal tract.

Certain Molecules Contribute to the First Line of Defense in the Gastrointestinal