1. 
   Sessility
   [botany] In botany, sessility (meaning "resting on the surface") is a characteristic of plants whose flowers or leaves are borne directly from the stem or peduncle, and thus lack a petiole or pedicel. The leaves of the vast majority of monocotyledons lack petioles. ...
   Found op http://en.wikipedia.org/wiki/Sessility_(botany)
   
   
2. 
   Sessility
   [limnology] In limnology, sessility is that quality of an organism which rests unsupported directly on a base, either attached or unattached to a substrate. It is a characteristic of vegetation which is anchored to the benthic environment. There are two families of sessile rotifers: Floscula...
   Found op http://en.wikipedia.org/wiki/Sessility_(limnology)
   
   
3. 
   Sessility
   [medicine] In medicine, sessility is a characteristic of tumors and polyps that lack a stalk, as opposed to those that are pedunculated. ...
   Found op http://en.wikipedia.org/wiki/Sessility_(medicine)
   
   
4. 
   Sessility
   [zoology] In zoology, sessility is a characteristic of animals which are not able to move about. They are usually permanently attached to a solid substrate of some kind, such as a part of a plant or dead tree trunk, a rock, or the hull of a ship in the case of barnacles. Corals lay down thei...
   Found op http://en.wikipedia.org/wiki/Sessility_(zoology)
   
   

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