Definition of sensillum in English:

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Pronunciation: /senˈsiləm/

noun (plural sensilla /-ˈsilə/)

(In arthropods and some other invertebrates) a simple sensory receptor consisting of a modified cell or small group of cells of the cuticle or epidermis, typically hair- or rod-shaped.
Example sentences
  • The sensory cells are organized into five external fields of campaniform sensilla and one internal chordotonal organ.
  • Within each pit are 60 to 70 sensors called sensilla in insects.
  • It is hard to imagine a clearer, simpler demonstration of how important thermal sensilla are to the insects' feeding routine.


Early 20th century: modern Latin, diminutive of Latin sensus 'sense'.

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