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.
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.
sessile
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.
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.
sessile
sessile
sessile
sessile Attached to a substrate; nonmotile. Compare SEDENTARY.
sessile
sessile
1. Lacking a stalk.
2. Attached to a substrate; non-motile.
1. Lacking a stalk.
2. Attached to a substrate; non-motile.
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