Definition of chordotonal in English:
chordotonal
adjective ˌkɔːdə(ʊ)ˈtəʊn(ə)lˌkôrdəˈtōnl
Entomology (in insects) denoting sense organs which are responsive to mechanical and sound vibrations.
Example sentencesExamples
- Numerous homologous regulatory genes are used for development of the chordotonal organs of Drosophila and of vertebrate ears, supporting the idea that invertebrate and vertebrate ears have a common origin.
- The sensory cells are organized into five external fields of campaniform sensilla and one internal chordotonal organ.
- There are two main types of sensory organ, with invariant positions: external sensory organs, which can act as mechanoreceptors or chemoreceptors, and internal chordotonal organs, which monitor stretching.
- By contrast, in embryos from the fru sat line, no ß-galactosidase-positive cells were found in the embryonic CNS, and only the chordotonal neurons in the PNS were labeled.
- The anterior mVAC accommodates afferent terminals from other chordotonal organs that have retained their proprioceptive function.
Origin
Late 19th century: from chord2 + tonal.