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单词 saccule
释义

Definition of saccule in English:

saccule

noun ˈsakjuːlˈsækjul
Anatomy Biology
  • 1A small sac, pouch, or cyst.

    〔生,剖〕球状囊小囊,袋;囊胞,包囊,孢囊

    Example sentencesExamples
    • Elastin may play an important structural role in the development of alveoli from immature saccules.
    • However, continuous secretion of the sebaceous glands and its accumulation resulted in formation of a small sac-like pouch, a saccule, between the inner and outer root sheath of hair follicles.
    • However derived, the presence of a saccule is clear indication of an incompetent valve and, therefore, reversed flow down the vein when upright and exercising.
    Synonyms
    bag, pouch, bladder, blister
    1. 1.1
      another term for sacculus
      Example sentencesExamples
      • Frogs that are exceptionally sensitive to seismic stimuli appear to use the saccule of the ear to detect these vibrations, and sandfish lizards that use vibration to locate prey also have a very large saccule.
      • Because the saccule itself is sensitive to airborne sound, one expects that there would be a level of acoustic noise in the air sufficient to mask the saccular response to any given seismic stimulus.
      • The receptor organ of posture and equilibrium is a composite one located in the semicircular canals, the utricle, and the saccule of the inner ear.
      • With the head erect, the macula in each utricle is oriented horizontally, and in the saccule vertically.
      • The detailed maps of the distributions of these bundle types over the sensory maculae and papillae of the five organs strongly suggested corresponding functional distributions, including acoustic function for the saccule.

Derivatives

  • saccular

  • adjective ˈsakjʊləˈsækjələr
    Biology Anatomy
    • One patient had numerous saccular structures, which covered the entire right atrium wall.
      Example sentencesExamples
      • This is the point at which the tubular esophagus joins the saccular stomach.
      • Rodents are born with the lung in the saccular stage; alveolarization occurs exclusively from Days 4-14 after birth, followed by alveolar wall thinning between Days 14-21.
      • Microaneurysms are small saccular pouches, possibly caused by local distension of capillary walls.
      • The anatomic changes from these diverse causes have been classified by Reid into three categories: cylindrical, varicose, and saccular or cystic.
  • sacculated

  • adjective
    Biology Anatomy
    • Herbivores, in contrast, have complex colons marked by a long cecum or multiple ceca, a greater total colonic length, and an arrangement of the muscle layers that gives the colon a sacculated form.
      Example sentencesExamples
      • They have a complex sacculated stomach, and the compartments serve as sites for fermentation by microorganisms.
      • In general, however, the cause of death is the giving way of a sacculated aneurysm springing from the fusiform one.
      • During this period, the uterine glands become highly coiled and irregularly sacculated in the middle of the endometrium.
      • A second separate irregular sacculated pouch was located anterior to the first in the septum and anterior left ventricular wall.
  • sacculation

  • noun
    Biology Anatomy
    • On the left side, the transverse colon and its sacculations can be seen.
      Example sentencesExamples
      • In the varicose pattern, the extent of bronchial dilatation is greater, and constrictions and sacculations are present.
      • Uterine sacculation consists of a transitory pouch or sac-like structure developing from an abnormal forward or backward rotation of the uterine fundus.
      • To our knowledge, however, wide-mouthed sacculations in the esophagus similar to those in the small bowel or colon have not been described previously as a radiographic manifestation of scleroderma involving the esophagus.
      • The cecal musculature, in contrast, shows no thickening but, rather, a rearrangement of the outer layer of muscle in such a way as to create a sacculation that increases the cecal surface area.

Origin

Mid 19th century: anglicized form of Latin sacculus (see sacculus).

Definition of saccule in US English:

saccule

nounˈsakyo͞olˈsækjul
Anatomy Biology
  • 1A small sac, pouch, or cyst.

    〔生,剖〕球状囊小囊,袋;囊胞,包囊,孢囊

    Example sentencesExamples
    • However derived, the presence of a saccule is clear indication of an incompetent valve and, therefore, reversed flow down the vein when upright and exercising.
    • However, continuous secretion of the sebaceous glands and its accumulation resulted in formation of a small sac-like pouch, a saccule, between the inner and outer root sheath of hair follicles.
    • Elastin may play an important structural role in the development of alveoli from immature saccules.
    Synonyms
    bag, pouch, bladder, blister
    1. 1.1
      another term for sacculus
      Example sentencesExamples
      • Because the saccule itself is sensitive to airborne sound, one expects that there would be a level of acoustic noise in the air sufficient to mask the saccular response to any given seismic stimulus.
      • The receptor organ of posture and equilibrium is a composite one located in the semicircular canals, the utricle, and the saccule of the inner ear.
      • With the head erect, the macula in each utricle is oriented horizontally, and in the saccule vertically.
      • The detailed maps of the distributions of these bundle types over the sensory maculae and papillae of the five organs strongly suggested corresponding functional distributions, including acoustic function for the saccule.
      • Frogs that are exceptionally sensitive to seismic stimuli appear to use the saccule of the ear to detect these vibrations, and sandfish lizards that use vibration to locate prey also have a very large saccule.

Origin

Mid 19th century: anglicized form of Latin sacculus (see sacculus).

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更新时间:2024/10/19 16:28:36