heterology

heterology

[het-uh-rol-uh-jee]
noun
1.
Biology. the lack of correspondence of apparently similar organic structures as the result of unlike origins of constituent parts.
2.
Pathology. abnormality; structural difference from a type or normal standard.

Origin:
1850–55; hetero- + -logy

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World English Dictionary
heterologous (ˌhɛtəˈrɒləɡəs)
 
adj
1.  pathol of, relating to, or designating cells or tissues not normally present in a particular part of the body
2.  (esp of parts of an organism or of different organisms) differing in structure or origin
 
heter'ology
 
n

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American Heritage
Medical Dictionary

heterology het·er·ol·o·gy (hět'ə-rŏl'ə-jē)
n.
Lack of correspondence between bodily parts, as in structure or development, arising from differences in origin.

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