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spiracle    
n. 呼吸孔,气孔,喷水孔

呼吸孔,气孔,喷水孔

spiracle
n 1: a breathing orifice

Spiracle \Spir"a*cle\, n.[L. spiraculum, fr. spirare to breathe:
cf. F. spiracule. See {Spirit}.]
1. (Anat.) The nostril, or one of the nostrils, of whales,
porpoises, and allied animals.
[1913 Webster]

2. (Zool.)
(a) One of the external openings communicating with the
air tubes or tracheae of insects, myriapods, and
arachnids. They are variable in number, and are
usually situated on the sides of the thorax and
abdomen, a pair to a segment. These openings are
usually elliptical, and capable of being closed. See
Illust. under {Coleoptera}.
(a) A tubular orifice communicating with the gill cavity
of certain ganoid and all elasmobranch fishes. It is
the modified first gill cleft.
[1913 Webster]

3. Any small aperture or vent for air or other fluid.
[1913 Webster]


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  • Spiracle (vertebrates) - Wikipedia
    The spiracle is a small hole behind each eye that opens to the mouth in some fish In the jawless fish, the first gill opening immediately behind the mouth is essentially similar to the other gill openings
  • 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
  • Spiracle | Free Audiobooks
    Join the Spiracle community of book lovers Buy individual audiobooks or upgrade to Premium Membership which includes free audiobooks every month, discounted prices, special events and more!
  • Spiracle Technology
    Spiracle Technology is your trusted source for life-saving emergency oxygen solutions Our innovative, high-quality emergency oxygen equipment delivers rapid and effective oxygen administration, empowering first responders to save lives
  • SPIRACLE Definition Meaning - Merriam-Webster
    With macrophotography that shows every hair (a surprising amount of it), every spiracle (the pores in their exoskeletons through which ants breathe) and every facet of their compound eyes, the images replace our accustomed looking-down-from-a-skyscraper view with intimate, face-to-face portraits
  • Flower Face – Spiracle Lyrics - Genius
    Spiracle, the first track of Flower Face’s album The shark in your water is a haunting yet powerful song depicting someone who wants everything about the person she loves, including the most
  • Spiracles Aid in Breathing on Fish, Whales, and Insects
    The blowhole of the whale is also sometimes called a spiracle in older texts Whales use their blowholes to take in the air and dispel carbon dioxide when they surface
  • What Are The Functions Of The Spiracles? - Sciencing
    A spiracle is an opening found on the outside of an insect's exoskeleton that is used for breathing There are numerous spiracles on the body of an insect, typically paired and present on the thorax and abdomen
  • spiracle - Academic Dictionaries and Encyclopedias
    spiracle — a vestigial gill cleft between the eye and the gill slits in Elasmobranchii, Acipenseridae, Polyodontidae, and Polypteridae Water for respiration is inhaled through the spiracles in Rajiformes
  • Spiracle in Biology: Definition, Types Functions Explained - Vedantu
    A spiracle is just an opening that allows water to enter The water then flows over the gills, which are the actual respiratory organs where gas exchange happens and oxygen is absorbed into the blood





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