Variegation
Variegation (pronunciation: /ˌvɛərɪˈɡeɪʃən/) is a term used in various fields, including genetics, botany, and pathology, to describe a phenomenon where different colors appear in an organism, often in the form of patterns.
Etymology
The term 'variegation' is derived from the Latin word 'variegatus', meaning 'made of various sorts or colors'.
Genetics
In genetics, variegation refers to the appearance of differently colored sectors in tissues, often due to mosaicism. This can be caused by a variety of factors, including mutations, epigenetic changes, and environmental factors.
Botany
In botany, variegation is the appearance of differently colored zones in the leaves, and sometimes the stems, of plants. Variegated leaves occur rarely in nature. Species with variegated individuals are sometimes found in the understory of tropical rainforests, and this habitat is the source of a number of variegated house plants.
Pathology
In pathology, variegation can refer to the appearance of differently colored or differently structured areas in a tissue sample examined under a microscope. This can be a sign of certain diseases, such as variegate porphyria, a rare genetic disorder that affects the skin and nervous system.
Related Terms
External links
- Medical encyclopedia article on Variegation
- Wikipedia's article - Variegation
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