Pleomorphism may refer to:
*
Pleomorphism (cytology)
Pleomorphism is a term used in histology and cytopathology to describe variability in the size, shape and staining of cells and/or their nuclei. Several key determinants of cell and nuclear size, like ploidy and the regulation of cellular meta ...
, variability in the size and shape of cells and/or their nuclei
*
Pleomorphism (microbiology)
In microbiology, pleomorphism (from Ancient Greek , ''pléō'', "more", and , ''morphḗ'', form), also pleiomorphism, is the ability of some microorganisms to alter their morphology, biological functions or reproductive modes in response to envir ...
, the ability of some bacteria to alter their shape or size in response to environmental conditions
* A life cycle of certain fungi where different stages have different morphology, see
Teleomorph, anamorph and holomorph
In mycology, the terms teleomorph, anamorph, and holomorph apply to portions of the life cycles of fungi in the phyla Ascomycota and Basidiomycota:
*Teleomorph: the sexual reproductive stage (morph), typically a fruiting body.
*Anamorph: an asex ...
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