nucleus
1
7.5
- noun
- /ˈnjuːkliəs/
- Specialized
:
núcleo
- The outer portion of the intervertebral disc, the annulus fibrosis, ruptures, leading to protrusion of the nucleus pulposus.
Examples
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The nucleus is the central structure of the lens in the eye, surrounded by the cortex.
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In the human eye, the nucleus is crucial for focusing light through the lens.
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And that nucleus is reset every day by light coming in through our eyes.
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The nucleus pulposus is the inner portion of the disc.
Academic text (2005) -
Furthermore, in Puerto Rico, the children are special; they have a special place in the family nucleus, and we delight in them.
Academic text (1991) -
The dimmer nucleus marks the true center of the galaxy.
Academic text (1995) -
In this review, we focus on a critical component of karyokinesis, the partitioning of the genome contained in the nucleus.
Academic text (2009) -
The patient therefore underwent a right cochlear implantation with a Nucleus 22-channel device.
Academic text (1999) -
From their perspective, the rhythm of speech is given by the rise and fall of the amplitude envelope, which rises to a maximum at the syllable nucleus and then falls off.
Academic text (2011) -
During an eye examination, the doctor examined the nucleus of my eye to check its health.
Synonyms
Central part of the eye lens surrounded by the outer layer
Compounds
- Specialized
1
3.2
The part of a cell surrounded by a membrane that holds DNA and controls growth and reproduction
- Specialized
1
9.9
A part inside the brain shaped like a tail that helps control movement and learning
- Specialized
A large folded group of brain cells in the back part of the brain that helps control movement and balance
- Specialized
A small part of the brain shaped like an almond that helps control feelings and motivation
- Specialized
A lens-shaped part of the brain made of gray matter that helps control movements you choose
How Central
- Specialized
1
7.5
- Specialized
Surface Forms
Etymology
Nucleus comes from the Latin word nux, which means 'nut' or 'kernel'. So in the eye, the lens nucleus is the central 'kernel' of the lens surrounded by the softer outer part.