Johnston
Johnston's Organ
Johnston's Organ (pronounced: John-ston's Or-gan) is a sensory organ in insects, specifically in the antennae of mosquitoes and flies. It is named after the British entomologist Christopher Johnston who first described it in 1855.
Etymology
The term "Johnston's Organ" is derived from the name of the British entomologist Christopher Johnston, who first described this organ in his research on insects in the mid-19th century.
Function
The Johnston's Organ is responsible for detecting changes in the environment, such as changes in air pressure, humidity, and temperature. It also plays a crucial role in the insect's ability to navigate and find food. In mosquitoes, it is particularly important for detecting the presence of humans and other potential sources of blood meals.
Related Terms
- Antennae: The pair of sensory appendages on the head of insects, crustaceans, and some other arthropods.
- Sensory Organ: An organ of the body that responds to external stimuli by conveying impulses to the sensory nervous system.
- Entomology: The scientific study of insects, a branch of zoology.
- Christopher Johnston: A British entomologist who first described the Johnston's Organ.
See Also
External links
- Medical encyclopedia article on Johnston
- Wikipedia's article - Johnston
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