symbiosis

symbiosis /sym·bi·o·sis/ (sim″bi-o´sis) pl. symbio´ses   [Gr.]

1. in parasitology, the close association of two dissimilar organisms, classified as mutualism, commensalism, parasitism, amensalism, or synnecrosis, depending on the advantage or disadvantage derived from the relationship.

2. in psychiatry, a mutually reinforcing relationship between persons who are dependent on each other; a normal characteristic of the relationship between mother and infant.

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sym·bi·o·sis (smb-ss, -b-)

n. pl. sym·bi·o·ses (-sz)

1. A close, prolonged association between two or more different organisms of different species that may, but does not necessarily, benefit each member.

2. A relationship of mutual benefit or dependence.

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symbiosis

[sim′bē·ō′sis]

Etymology: Gk, syn, together, bios, life

1 a mode of living characterized by a close association between organisms of different species.

2 a state in which two people are emotionally dependent on each other.

3 a pathologic inability of a child to separate from its mother emotionally and sometimes physically. symbiotic, adj.

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symbiosis

the biological association of two individuals or populations of different species, classified as mutualism, commensalism, parasitism, amensalism or synnecrosis, depending on the advantage or disadvantage derived from the relationship.