lecture 10 Flashcards
microbiome
a functional collection of different microbes in an environmental system such as the human body
microbiota
the types of organisms present in an environmental habitat, such as the human skin or the human gastrointestinal
human microbiome
the total microbial content in and on the human body
host
an organism that can harbor pathogenic or beneficial (micro)organisms
mucin
a secretion from specialized epithelial cells containing water-soluble glycoproteins and proteins, forming the mucus that retains moisture and impedes microbial invasion on mucosal surfaces
normal microbiota
microorganisms that are usually found associated with healthy body tissue
upper respiratory tract
the sinuses, nasal and oral cavities, and structures of the throat (the pharynx, tonsils, and larynx)
lower respiratory tract
the trachea, bronchi, and lungs