Meaning & use

infected cell

noun·Academicbiologymedical

Last updated

UK/ɪnˈfektɪd sel/
US/ɪnˈfektɪd sel/

Meanings

  1. nouncountablebiologymedical

    A cell that has been invaded by a virus, bacterium, or other germ and is affected by it.

    Grammar: Countable: an infected cell, infected cells. Often followed by 'infected with + germ'.

    Patterns

    • infected cell
    • infected cells
    • infected with something

    The virus enters the infected cell and forces it to make more copies of the virus.

    Under the microscope, the infected cells looked swollen and damaged.

    Researchers stained the infected cells so they could see where the bacteria were hiding.

  2. nouncountablebiologyspecialist

    In immunology, a cell displaying markers of a germ on its surface, which immune cells then attack.

    Grammar: Usually in scientific writing, often plural: the immune system destroys infected cells.

    Patterns

    • kill infected cells
    • target infected cells

    Killer T cells recognize infected cells and destroy them.

    The vaccine helps the body find and clear infected cells more quickly.

Word forms

pluralinfected cells

Common combinations

infected with a virus
The sample contained cells infected with a virus.
kill infected cells
The immune response kills infected cells before the virus can spread.
infected cell culture
They grew an infected cell culture in the lab.

Synonyms and how they differ

host cell
A cell in which a germ lives, whether or not it shows signs of damage; 'infected cell' stresses the infection.

Opposites

healthy celluninfected cell

Word family

infect verb
To pass a germ into a person, animal, or cell.
infection noun
An illness or condition caused by a germ.
infectious adjective
Able to be passed from one person or organism to another.

Commonly confused: infected cell or affected cell?

infected cell vs affected cell

'Affected' just means changed or harmed; 'infected' specifically means invaded by a germ.

Practice

The immune system recognizes and destroys cells ______ with the virus.

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