"nucleus" の定義と意味

Nucleus

細胞核

(biology) the part of a cell that contains most of the genetic information

核

a small group of indispensable persons or things

核

the positively charged dense center of an atom

核

any histologically identifiable mass of neural cell bodies in the brain or spinal cord

核

the central structure of the lens that is surrounded by the cortex

核

the central core of a comet, which is composed of ice, dust, and rocky materials

核

the central and typically sonorous part of a syllable, usually occupied by a vowel or a vowel-like sound

例

The nucleus, an organelle housing genetic material, regulates cell activities.

Cometary nuclei are composed of a mixture of water ice, dust, and organic compounds.

Galactic nuclei often harbor supermassive black holes at their centers.

The nucleus of Comet Halley is thought to be a mixture of water ice, carbon dioxide ice, and various organic compounds.

The nucleus of Comet Hale-Bopp is believed to be several kilometers in diameter.

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