Introduction to First-Line Defenses definitions Flashcards

A non-specific defense mechanism that acts as the body's first line of defense against pathogens.

Barriers that prevent microbes from entering the body, including physical, chemical, and microbiome components.

Structures like skin and mucus membranes that act as security walls against microbial entry.

Substances produced by the body, such as antimicrobial peptides, that inhibit microbial growth.

The community of normal microbiota that resides on and within the body, contributing to innate immunity.

An external physical barrier that protects the body from microbial invasion.

Internal linings that trap and expel pathogens, serving as a physical barrier.

A substance found in the ear canal that acts as an internal barrier to trap and prevent microbial entry.

Small proteins produced by the body that destroy or inhibit the growth of microbes.

Liquids produced by the body that can contain antimicrobial properties to protect against pathogens.