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Chapter 22
Human Microbiome
Term | Definition |
---|---|
bacilli | rod shaped bacteria |
bacteria | single celled microscopic organism that are the chief inhabitants of the microbiome |
capsid | protein shell that surrounds viral genetic material |
capsomeres | individual structural units forming the viral capsid |
capsule | gelatinous covering that keeps the bacterium from drying out |
cocci | round or spherical shaped bacteria |
gram stain | staining technique used to classify bacteria into one of two groups |
human microbiome | microbial makeup of healthy humans |
pathogen | disease causing microorganism |
plasmids | small loops of DNA contained within bacteria that allow them to transmit DNA from one cell to another |
portal of entry | pathway by which infectious organisms gain access to the body |
spirilla | spiral shaped bacteria |
virus | ultramicroscopic pathogen consisting of a nucleic acid within a protein shell |