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单词 peduncle
释义

Definition of peduncle in English:

peduncle

noun pɪˈdʌŋk(ə)l
Botany
  • 1The stalk bearing a flower or fruit, or the main stalk of an inflorescence.

    Compare with pedicel
    Example sentencesExamples
    • The reddish colour of the depistillated flower and its peduncle is a response to high light intensities during anthesis and should not be interpreted to indicate senescence.
    • In angiosperms, trichomes may occur on leaves, petals, stems, petioles, peduncles and seed coats, depending on the species.
    • The plant was separated into roots, leaves, fruits, peduncle, and stem.
    • Briefly, after harvesting, fruit peduncles were trimmed to uniform length with a scalpel, and each fruit was immediately placed in an autoclaved container with a nutrient solution.
    • Grape berries are borne on the end of a stalk, the pedicel, which in turn is borne on the bunchstem, or peduncle.
    Synonyms
    stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed
    1. 1.1Zoology A stalklike part by which an organ is attached to an animal's body, or by which a barnacle or other sedentary animal is attached to a substrate.
      Example sentencesExamples
      • In addition to the tentacles, these extremities include the hypostome, the lower peduncle, which is committed to foot formation, and the foot.
      • The caudal fin and caudal peduncle usually have a pale yellow hue.
      • The body of the fish is measured from the tip of the mouth to the caudal peduncle (end of the body wall muscle).
      • The twisting action allows the animal to use the flukes in conjunction with the peduncle as a rudder.
      • The skin of the caudal peduncle is wrapped by dermal fibers at very steep fiber angles.

Derivatives

  • peduncular

  • adjective pɪˈdʌŋkjʊlə
    • Overall, the ovules in the most peduncular / basal positions within the ovary are less likely to be fertilized than those in the most stylar/distal positions.
      Example sentencesExamples
      • Thus, the peduncular vertebrae form a rigid bar, interposed between two relatively flexible joints.

Origin

Mid 18th century: from modern Latin pedunculus, from Latin pes, ped- 'foot'.

Rhymes

uncle
 
 

Definition of peduncle in US English:

peduncle

noun
Botany
  • 1The stalk bearing a flower or fruit, or the main stalk of an inflorescence.

    Compare with pedicel
    Example sentencesExamples
    • In angiosperms, trichomes may occur on leaves, petals, stems, petioles, peduncles and seed coats, depending on the species.
    • The plant was separated into roots, leaves, fruits, peduncle, and stem.
    • The reddish colour of the depistillated flower and its peduncle is a response to high light intensities during anthesis and should not be interpreted to indicate senescence.
    • Grape berries are borne on the end of a stalk, the pedicel, which in turn is borne on the bunchstem, or peduncle.
    • Briefly, after harvesting, fruit peduncles were trimmed to uniform length with a scalpel, and each fruit was immediately placed in an autoclaved container with a nutrient solution.
    Synonyms
    stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed
    1. 1.1Zoology A stalklike part by which an organ is attached to an animal's body, or by which a barnacle or other sedentary animal is attached to a substrate.
      Example sentencesExamples
      • The body of the fish is measured from the tip of the mouth to the caudal peduncle (end of the body wall muscle).
      • The skin of the caudal peduncle is wrapped by dermal fibers at very steep fiber angles.
      • In addition to the tentacles, these extremities include the hypostome, the lower peduncle, which is committed to foot formation, and the foot.
      • The caudal fin and caudal peduncle usually have a pale yellow hue.
      • The twisting action allows the animal to use the flukes in conjunction with the peduncle as a rudder.

Origin

Mid 18th century: from modern Latin pedunculus, from Latin pes, ped- ‘foot’.

 
 
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更新时间:2024/11/10 10:19:02