Definition of nuclei. Meaning of nuclei. Synonyms of nuclei

Here you will find one or more explanations in English for the word nuclei. Also in the bottom left of the page several parts of wikipedia pages related to the word nuclei and, of course, nuclei synonyms and on the right images related to the word nuclei.

Definition of nuclei

Nucleus Nu"cle*us, n.; pl. E. Nucleuses, L. Nuclei. [L., a kernel, dim. fr. nux, nucis, nut. Cf. Newel post.] 1. A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; -- used both literally and figuratively. It must contain within itself a nucleus of truth. --I. Taylor. 2. (Astron.) The body or the head of a comet. 3. (Bot.) (a) An incipient ovule of soft cellular tissue. (b) A whole seed, as contained within the seed coats. 4. (Biol.) A body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division.

Meaning of nuclei from wikipedia

- nucleus (pl: nuclei) is a latin word for the seed inside a fruit. it may refer to: atomic nucleus, the very dense central region of an atom cell nucleus
- the vestibular nuclei are the cranial nuclei for the vestibular nerve. in terminologia anatomica they are grouped in both the pons and medulla. there
- midline nuclear group (or midline thalamic nuclei) is a region of the thalamus consisting of the following nuclei: paraventricular nucleus of thalamus (nucleus
- from the cranial nerves form a synapse first at these nuclei. lesions occurring at these nuclei can lead to effects resembling those seen by the severing
- the pulvinar nuclei (nuclei pulvinaris) are a collection of nuclei located in the pulvinar thalamus. the pulvinar is usually grouped as one of the lateral
- the intralaminar nuclei are collections of neurons in the thalamus that are generally divided in two groups as follows: anterior (rostral) group central
- the raphe nuclei ('raffe', gr****: ῥαφή = seam ) are a moderate-size cluster of nuclei found in the brain stem. their main function is to release serotonin
- the cerebellum has four deep cerebellar nuclei embedded in the white matter in its center. these nuclei receive inhibitory (gabaergic) inputs from purkinje