sessile

sessile

sessile In zoology, describing an animal that remains fixed in one place. Sedentary animals, such as barnacles, limpets and mussels, are usually permanently attached to a surface. The term sessile is also used to describe the eyes of crustaceans that lack stalks and sit directly on the animal's head. In botany, sessile describes any structure that has no stalk (in cases where one might be expected) and grows directly from a stem.

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"sessile." World Encyclopedia. 2005. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

"sessile." World Encyclopedia. 2005. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O142-sessile.html

"sessile." World Encyclopedia. 2005. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-sessile.html

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sessile

sessile
1. Describing animals that live permanently attached to a surface, i.e. sedentary animals. Many marine animals, e.g. sea anemones and limpets, are sessile.

2. Describing any organ that does not possess a stalk where one might be expected. For example, the leaves of the oak (Quercus robur) are attached directly to the twigs.

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"sessile." A Dictionary of Biology. 2004. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

"sessile." A Dictionary of Biology. 2004. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O6-sessile.html

"sessile." A Dictionary of Biology. 2004. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-sessile.html

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sessile

ses·sile / ˈsesəl; -īl/ • adj. Biol. (of an organism, e.g., a barnacle) fixed in one place; immobile. ∎  (of a plant or animal structure) attached directly by its base without a stalk or peduncle: sporangia may be stalked or sessile.

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"sessile." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

"sessile." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O999-sessile.html

"sessile." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-sessile.html

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sessile

sessile (path.) adhering close to the surface; (nat. hist.) immediately attached to the base XVIII; sedentary XIX. — L. sessilis, f. sess-, pp. stem of sedēre SIT; see -ILE.

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T. F. HOAD. "sessile." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "sessile." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O27-sessile.html

T. F. HOAD. "sessile." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-sessile.html

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sessile

sessile
1. Lacking a stalk.

2. Attached to a substrate; non-motile. Compare sedentary.

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MICHAEL ALLABY. "sessile." A Dictionary of Ecology. 2004. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "sessile." A Dictionary of Ecology. 2004. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O14-sessile.html

MICHAEL ALLABY. "sessile." A Dictionary of Ecology. 2004. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-sessile.html

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sessile

sessile (se-syl) adj. (of a tumour) attached directly by its base without a stalk.

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"sessile." A Dictionary of Nursing. 2008. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

"sessile." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O62-sessile.html

"sessile." A Dictionary of Nursing. 2008. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-sessile.html

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sessile

sessile
1. Lacking a stalk.

2. Attached to a substrate; non- motile.

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MICHAEL ALLABY. "sessile." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "sessile." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O7-sessile.html

MICHAEL ALLABY. "sessile." A Dictionary of Plant Sciences. 1998. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-sessile.html

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sessile

sessile
1. Lacking a stalk.

2. Attached to a substrate; non-motile.

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AILSA ALLABY and MICHAEL ALLABY. "sessile." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "sessile." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O13-sessile.html

AILSA ALLABY and MICHAEL ALLABY. "sessile." A Dictionary of Earth Sciences. 1999. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-sessile.html

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sessile

sessile Attached to a substrate; nonmotile. Compare SEDENTARY.

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MICHAEL ALLABY. "sessile." A Dictionary of Zoology. 1999. Encyclopedia.com. 12 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "sessile." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 12, 2012). http://www.encyclopedia.com/doc/1O8-sessile.html

MICHAEL ALLABY. "sessile." A Dictionary of Zoology. 1999. Retrieved February 12, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-sessile.html

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Free newspaper and magazine articles

Biodiversity of sessile and motile macrofauna on intertidal oyster reefs in...
Magazine article from: Journal of Shellfish Research; 12/1/2006
Competition for space among sessile marine invertebrates: Changes in HSP70...
Magazine article from: The Biological Bulletin; 12/1/2001
Some of the properties of heat-treated sessile oak (Quercus petraea).
Magazine article from: Forest Products Journal; 8/1/2010

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