Definition of sensillum in English:

sensillum

noun

Zoology
  • (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.

    • ‘It is hard to imagine a clearer, simpler demonstration of how important thermal sensilla are to the insects' feeding routine.’
    • ‘Short sensilla on the maxillary and labial palps, serve to recognize pheromone and touch when the male mounts the female.’
    • ‘Within each pit are 60 to 70 sensors called sensilla in insects.’
    • ‘The sensory cells are organized into five external fields of campaniform sensilla and one internal chordotonal organ.’
    • ‘Taken together, the antennae and their sensilla are the insect's window on the external world.’

Origin

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

Pronunciation:

sensillum

/sɛnˈsɪləm/