a small rounded body within a resting nucleus that contains RNA and proteins and is involved in the production of ribosomes
Also called: nucleole
Derived forms
nucleolar (ˌnucleˈolar) or nucleolate (ˈnucleoˌlate) or nucleolated (ˈnucleoˌlated)
adjective
Word origin
C19: from Latin, diminutive of nucleus
Examples of 'nucleoli' in a sentence
nucleoli
Tumor cells possessed a moderate amount of cytoplasm, prominent nucleoli, and large nuclei.
Ryusuke Murakami, Iemasa Kou, Kenjiro Date, Hirofumi Nakayama 2013, 'Advanced Composite of Large Cell Neuroendocrine Carcinoma and Squamous Cell Carcinoma:A Case Report of Uterine Cervical Cancer in a Virgin Woman', Case Reports in Obstetrics and Gynecologyhttp://dx.doi.org/10.1155/2013/921384. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, sheets of plasma cells, some with prominent nucleoli, were also seen.
Cheryl Rimmer, Anup Hazra, Vito M. Gulli, Richard Siderits, Mark Castaldi, Zafar Zamir 2013, 'Esophageal Plasmacytoma Diagnosed in a Patient Presenting with Cardiac Symptoms: ANovel Case', Case Reports in Gastrointestinal Medicinehttp://dx.doi.org/10.1155/2013/121670. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The heterochromatin in nucleoli was also increased in its quantity.
Mingzhi WANG, Zhongjie TIAN, Tao LI, Shansong GAO, Zhongling JIANG, Wenru TIAN, PingpingQU, Pingping QU, Wenru TIAN, Zhongling JIANG, Shansong GAO, Tao LI, Zhongjie TIAN,Mingzhi WANG 2009, 'Developmental competence and ultrastructural changes of heat-stressed mouse earlyblastocysts produced in vitro', Current Zoologyhttp://www.currentzoology.org/paperdetail.asp?id=11109. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Then, we computed geometric morphological measures characterizing the form of cell nuclei and nucleoli.
Alexandr A. Kalinin, Ari Allyn-Feuer, Alex Ade, Gordon-Victor Fon, Walter Meixner,David Dilworth, Syed S. Husain, Jeffrey R. de Wet, Gerald A. Higgins, Gen Zheng, AmyCreekmore, John W. Wiley, James E. Verdone, Robert W. Veltri, Kenneth J. Pienta, DonaldS. Coffey, Brian D. Athey, Ivo D. Dinov 2018, '3D Shape Modeling for Cell Nuclear Morphological Analysis and Classification', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-018-31924-2. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The tumor cells were large, with eosinophilic cytoplasm, round or oval nuclei and small nucleoli.
Xiao-yan LIN, Ying-hua SONG, Jia-yao WANG 2013, 'Acinic cell carcinoma of parotid gland metastasis to left cavernous sinus: a casereport and review of literature', Chinese Journal of Contemporary Neurology and Neurosurgeryhttp://www.cjcnn.org/index.php/cjcnn/article/view/862. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Cells were large with elliptical nuclei whose nucleoli were significant.
Ke-mei Peng§*, Hui Song§, Hua-zhen Liu, Jian-bin Zhang1, Zhi-qiang Lu, Zhi-wei Liuand Yin-xue Liu 2012, 'Histological Study of the Adrenal Gland of African White Rhinoceros', Pakistan Veterinary Journalhttp://pvj.com.pk/pdf-files/32_3/394-397.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The nuclei were regular, oval shaped with finely granular chromatin and inconspicuous nucleoli.
Vujanović Ljuba, Jovanović Marina, Golušin Zoran, Levakov Olivera, Petrović Aleksandra,Sekulić Jasmina 2017, 'Indolent Systemic Mastocytosis – a Case Report', Serbian Journal of Dermatology and Venereologyhttp://www.degruyter.com/view/j/sjdv.2017.9.issue-3/sjdv-2017-0014/sjdv-2017-0014.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The maximum number of nucleoli corresponded to the number of nucleolar organizers accompanying the satellites.
Elżbieta Weryszko-Chmielewska 2014, 'Analysis of the karyotype of Callisia elegans Alexand. (Commelinaceae) including differentialstaining of chromosomes', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/2945. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The size and activity of nucleoli increase directly with increases in polyamines.
Wesley H. Brooks 2017, 'Viral Impact in Autoimmune Diseases: Expanding the “X Chromosome–Nucleolus Nexus”Hypothesis', Frontiers in Immunologyhttp://journal.frontiersin.org/article/10.3389/fimmu.2017.01657/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)