| 词汇 | air-sac |
| 释义 | air sac noun[ C ] biology, anatomy specializeduk /ˈeə ˌsæk/ us /ˈer ˌsæk/ a space filled with air that continues from a bird's lungs into one of its bones or another body area, used in breathing气囊（鸟类体内从肺部延伸至骨骼以及其他身体部分的气囊，用于呼吸） a wide part like a bag in the tubes an insect uses for breathing（昆虫的）气囊 an alveolus (= a very small air bag in the lungs)肺泡 Substances & structures in the body abductor accessorius ACL actin adductor fundus funiculus fusiform glomerular glomerulus myosin navicular neuroendocrine neurohormonal neurohormone tendinis tendinous tendinum tendo tensor You can also find related words, phrases, and synonyms in the topics: Animal physiology: the respiratory system Examples of air sacair sac Respiratory air sacs often form air pockets within the semi-hollow bones of the bird's skeleton. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. No trematodes were observed in the lung or airsac, heart, liver, spleen and kidney of all bats and swallows. Tested organs include lung or airsac, heart, spleen, liver, kidneys and intestine. Alterations consisted of thickened airsac walls (fig. 1e), lesions or granulomata at the site of worm attachment, sometimes involving underlying tissues. The lung or airsac, heart, liver, spleen, kidney and intestine were collected using different sets of instruments in order to prevent possible cross-contamination. Some experiments involve the introduction of tobacco smoke into the animal's mouth or, in the case of hens, into the airsac. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It was probably hollowed out by an outgrowth of an airsac in the nasal bone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This airsac leaves distinctive marks or opening on the bones, including a distinct opening in the upper arm bone ("humerus"). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air from the lungs is channeled to the airsac, which resonates to make the sound louder. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such an organ is generally a membrane (tympanum) stretched across a frame backed by an airsac and associated sensory neurons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The syrinx and sometimes a surrounding airsac resonate to sound waves that are made by membranes past which the bird forces air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ribbon seal has a large inflatable airsac that is connected to the trachea and extends on the right side over the ribs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Airsac extensions from the lungs occupy the centre of some bones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The big end contains the airsac and its shell is pierced by a higher density of pores than the more pointed end. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. While the left abdominal airsac is large and lies to the left of the mesentery. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of air sac These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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