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词汇 dentate
释义

Definition of dentate in English:

dentate

adjective ˈdɛnteɪtˈdɛnteɪt
Zoology Botany
  • Having a toothlike or serrated edge.

    〔植,动〕齿状(或锯齿状)边缘的

    Example sentencesExamples
    • They have observed the growth of neurons in the dentate gyrus, a portion of the hippocampus (which controls learning and short term memory), in mice that were placed in a stimulating environment.
    • Of all 25 brain regions examined, the one that showed the strongest evidence of playing a role directly in the control of the locomotor activity itself was the dentate gyrus, which is a subregion of the hippocampus.
    • The large dentate nuclei are deeply fissured and subdivided into toothlike agglomerations of gray matter, the longest ones being near the middle of each nucleus.
    • The Latin word means ‘little oak ‘because of its dentate leaves which recall those of the oak.’
    • Note the characteristic, toothlike appearance of the inferior surface of the dentate gyrus.
    Synonyms
    jagged, craggy, rugged, uneven, rough, irregular, broken

Origin

Late Middle English: from Latin dentatus, from dens, dent- 'tooth'.

Definition of dentate in US English:

dentate

adjectiveˈdentātˈdɛnteɪt
Botany Zoology
  • Having a toothlike or serrated edge.

    〔植,动〕齿状(或锯齿状)边缘的

    Example sentencesExamples
    • The large dentate nuclei are deeply fissured and subdivided into toothlike agglomerations of gray matter, the longest ones being near the middle of each nucleus.
    • Of all 25 brain regions examined, the one that showed the strongest evidence of playing a role directly in the control of the locomotor activity itself was the dentate gyrus, which is a subregion of the hippocampus.
    • Note the characteristic, toothlike appearance of the inferior surface of the dentate gyrus.
    • They have observed the growth of neurons in the dentate gyrus, a portion of the hippocampus (which controls learning and short term memory), in mice that were placed in a stimulating environment.
    • The Latin word means ‘little oak ‘because of its dentate leaves which recall those of the oak.’
    Synonyms
    jagged, craggy, rugged, uneven, rough, irregular, broken

Origin

Late Middle English: from Latin dentatus, from dens, dent- ‘tooth’.

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