| 释义 |
Noun: nucleus (nuclei) n(y)ookleeus- A part of the cell containing DNA and RNA and responsible for growth and reproduction
- cell nucleus, karyon - The positively charged dense centre of an atom
- A small group of indispensable persons or things
- core, core group - (astronomy) the centre of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
- Any histologically identifiable mass of neural cell bodies in the brain or spinal cord
- The central structure of the lens that is surrounded by the cortex
- lens nucleus
Derived forms: nuclei See also: multinucleate, nuclear, nucleate, uninucleate Type of: anatomical structure, bodily structure, body structure, cell organ, cell organelle, center [US], centre [Brit, Cdn], complex body part, midpoint, neural structure, organelle, set, structure Part of: atom, cell, comet Encyclopedia: Nucleus |