- chordotonal organ
- chordotonal organ,a structure especially in insects, spiders, and certain larvae which is capable of sensing small movements by means of sensory cells responsive to sound vibrations.
Useful english dictionary. 2012.
chordotonal organ
Look at other dictionaries:
Chordotonal organ — Chordotonal organs are stretch receptor organs in insects and other arthropods[1] They are used to detect the position of the body segments and appendages, or, in tympanal organs, the vibrations caused by sounds. An example for hearing is the… … Wikipedia
chordotonal organ — Subcuticular sense organs of insects and perhaps nematodes that consist of one to several hundred chordotonal sensilla (scolopidia); attached to the cuticle that function as mechanoreceptors; abundant in tympanal organs; a scolopophorus organ;… … Dictionary of invertebrate zoology
Tympanal organ — A Tympanal organ is a hearing organ in insects, consisting of a membrane (tympanum) stretched across a frame backed by an air sac. Sounds vibrate the membrane, and the vibrations are sensed by a chordotonal organ. Tympanal organs occur in just… … Wikipedia
Johnston's organ — (ARTHROPODA: Insecta) A chordotonal organ located in the second segment of the antenna and functioning in sound perception, flight speed indicator or water wave perception … Dictionary of invertebrate zoology
scolopophorus organ — see chordotonal organ … Dictionary of invertebrate zoology
myochordotonal organ — (ARTHROPODA: Crustacea) In Decapoda, a proprioceptor at the proximal end of the meropodite, a flat membrane lying between the skeleton and sheath of the accessory flexor muscle of the carpus, with distal bipolar sensory cells passing through the … Dictionary of invertebrate zoology
Crista acustica — (also Siebold s organ, or crista acoustica) is a part of the hearing organ (tibial organ) in some insects (eg, grasshoppers, crickets, katydids). It is a collection of sensory cells that form a crest (hence the name) on top of the hollow tube… … Wikipedia
Range fractionation — is a term used in biology. Sense organs are usually composed of many sensory receptors measuring the same property. These sensory receptors show a limited degree of precision due to an upper limit in firing rate. If the receptors are endowed with … Wikipedia
crista acustica — (ARTHROPODA: Insecta) A chordotonal organ of the fore tibia of certain Orthoptera, that contain a series of scolopidia; organ of Siebold … Dictionary of invertebrate zoology
scolopidium — n.; pl. ia [Gr. dim. skolos, pointed object] A mechanoreceptor (part of a chordotonal organ) consisting essentially, of three cells: sensory neuron (scolopale), enveloping cell, and an attachment, or cap cell; scolopophore; sensillum… … Dictionary of invertebrate zoology
