Chapter 4 Infectious Disease Flashcards
Granuloma
A tumorlike mass of inflammatory
tissue consisting of a central collection of macrophages, often
including multinucleated giant cells, surrounded by
lymphocytes.
Granulomatous disease
A disease
characterized by the formation of granulomas.
Herpetic whitlow
An infection caused by
herpes simplex virus infection that involves the distal phalanx
of a finger.
Incubation period
The period between
the infection of an individual by a pathogen and the
manifestation of the disease it causes.
Malaise
A vague, indefinite feeling of discomfort,
debilitation, or lack of health.
Nonpathogenic microorganisms
Microorganisms that do not cause disease
Opportunistic infection
A disease
caused by a microorganism that does not ordinarily cause
disease but becomes pathogenic under certain circumstances.
Paresthesia
An abnormal sensation such as
burning, prickling, or tingling.
Pathogenic microorganism
A
microorganism that causes disease.
Pruritus
Itching.
Subclinical infection
An infectious
disease not detectable by the usual clinical signs.
Impetigo
a bacterial skin infection caused primarily by
Staphylococcus aureus, often in combination with Streptococcus
pyogenes.
