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  • Spiracle (arthropods) - Wikipedia
    In most species, the spiracles are controlled by motor neurons in the central nervous system It can be opened and closed in an efficient manner to admit air while minimizing associated physiological costs, such as water loss during respiration
  • Spiracle | Insects, Respiration, Trachea | Britannica
    spiracle, in arthropods, the small external opening of a trachea (respiratory tube) or a book lung (breathing organ with thin folds of membrane resembling book leaves) Spiracles are usually found on certain thoracic and abdominal segments
  • What Are Spiracles? The Tiny Holes Animals Breathe Through
    Spiracles are small external openings that allow air or water to enter an animal’s respiratory system They appear most famously in insects, where they serve as the entry points for a network of breathing tubes that deliver oxygen directly to tissues
  • Respiratory System – ENT 425 – General Entomology
    Air enters the insect’s body through valve-like openings in the exoskeleton These openings (called spiracles) are located laterally along the thorax and abdomen of most insects — usually one pair of spiracles per body segment
  • What Are Insect Spiracles and How Do They Work?
    Spiracles appear as small holes or slits located along the sides of an insect’s thorax and abdomen Most insects possess a pair of spiracles on each segment, though their exact number and distribution vary across species
  • SPIRACLE Definition Meaning - Merriam-Webster
    For insects, oxygen enters their bodies through tiny openings called spiracles, traveling through internal networks of tubes called tracheae
  • What Are Spiracles Used For In Insects - blog. entomologist. net
    Spiracles are small openings or pores typically found in insects and spiders They serve two main purposes: respiration and gas exchange Insects breathe with the aid of thin capillary tubes that open out to the exterior of their body as spiracles
  • Spiracle - an overview | ScienceDirect Topics
    Spiracles are small plates located ventrolaterally on the body of ticks, through which the tracheal trunks open to the outside They play a role in the respiratory system and are used by taxonomists for species identification based on the shape of the spiracular plates
  • 15. 2D: Tracheal Breathing - Biology LibreTexts
    Tracheae open to the outside through small holes called spiracles In the grasshopper, the first and third segments of the thorax have a spiracle on each side Another 8 pairs of spiracles are arranged in a line on either side of the abdomen The spiracles are guarded by valves controlled by muscles that enables the grasshopper to open and
  • Spiracle - Entomologists glossary - Amateur Entomologists Society (AES)
    Definition of Spiracle: openings on the thorax and abdomen of insects that allow the insect to breathe





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