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The cell nucleus (from Latin nucleus or nuculeus 'kernel, seed'; pl.: nuclei) is a membrane-bound organelle found in eukaryotic cells. Eukaryotic cells usually have a single nucleus, but a few cell types, such as mammalian red blood cells , have no nuclei , and a few others including osteoclasts have many .
The term "nucleus" is in some cases used rather loosely, to mean simply an identifiably distinct group of neurons, even if they are spread over an extended area. The reticular nucleus of the thalamus , for example, is a thin layer of inhibitory neurons that surrounds the thalamus.
Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.
Nucleus (pl.: nuclei) is a Latin word for the seed inside a fruit. It most often refers to: ... Nucleus Limited, an Australian medical research company, taken over by ...
Cell nucleus: A cell's information center, the cell nucleus is the most conspicuous organelle found in a eukaryotic cell. It houses the cell's chromosomes , and is the place where almost all DNA replication and RNA synthesis ( transcription ) occur.
The scientific term leukocyte directly reflects its description. It is derived from the Greek roots leuk - meaning "white" and cyt - meaning "cell". The buffy coat may sometimes be green if there are large amounts of neutrophils in the sample, due to the heme -containing enzyme myeloperoxidase that they produce.
[medical citation needed] Example of platelets release in mature megakaryocytes. This footage shows the formation and spontaneous release of platelets (small round-shaped blood cells), imaged with a live-cell imaging microscope. Thrombopoietin (TPO) is a 353-amino acid protein encoded on chromosome 3p27.
spinal disk herniation or herniated disk, that is, herniated nucleus pulposus HNPCC: hereditary nonpolyposis colorectal cancer: HNPP: hereditary neuropathy with liability to pressure palsy: H/O: history of ... HOB: head of bed (usually followed by number of degrees of elevation, e.g., HOB 10°) HOCM: hypertrophic obstructive cardiomyopathy: HONK