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sessile

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adjective ses·sile \ ˈse-ˌsī(-ə)l , -səl \

Definition of sessile

1 :attached directly by the base :not raised upon a stalk or peduncle
  • a sessile leaf
  • sessile bubbles
2 :permanently attached or established :not free to move about
  • sessile sponges and coral polyps

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Origin and Etymology of sessile

Latin sessilis of or fit for sitting, low, dwarf (of plants), from sessus, past participle of sedēre

Other Biology Terms

autochthonous, fecund, homunculus, phylogeny, substrate

Medical Dictionary

sessile

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adjective ses·sile \ ˈses-īl , -əl \

medical Definition of sessile

1 :attached directly by a broad base :not pedunculated
  • a sessile tumor
2 :firmly attached (as to a cell) :not free to move about
  • sessile antibodies

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