Category: S
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Sympodial
Of a sympodium, without a single main stem.
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Symplesiomorphies
(In cladistics) shared ancestral characters.
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Symphysis
The union or connection of like parts (e.g. petals) [unusual term, more common in human anatomy]. Greek for growing together. The point where two bones are joined by cartilage which makes the joint rigid. Joint in which fibrocartilage unites adjacent bony surfaces. For example, the pubic symphysis is where the two pelvic (innominate) bones unite…
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Sympetalous
(Of a flower or taxon) having the petals united.
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Sympatric
(Of two or more taxa) living in the same area.
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Symmetrical
Able to be divided into equal halves with any cut made. Opposite: asymmetric, where every cut through the middle produces different halves.
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Symbiotic
Relating to symbiosis. Refers to the mutually beneficial living together of organisms, in an intimate association or union. For example, lichen are a life form consisting of algae and a fungus growing together as a unit on a solid surface (e.g., a tree trunk or a rock). Each helps the other to survive and grow.…
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Symbiosis
Living together of dissimilar organisms, either to mutual advantage or without advantage. A mutually reinforcing and often beneficial relationship between two persons who are dependent on each other. It is a normal characteristic of the relationship between the mother and infant child. The intimate living together of two dissimilar organisms in a mutually beneficial relationship.…
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Symbiont
Individual living in symbiosis with an individual of another taxon. An individual of one organism living together with a different organism, usually to their mutual advantage. An organism living in intimate association with another dissimilar organism. One of two organisms living closely together.
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Syllepsis
Growth of a bud into lateral shoot without a resting period.