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In cell biology, the centrosome (Latin centrum 'center' + Greek sōma 'body') (archaically cytocentre [1]) is an organelle that serves as the main microtubule organizing center (MTOC) of the animal cell, as well as a regulator of cell-cycle progression. The centrosome provides structure for the cell.
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.
White-tailed deer (national animal) Odocoileus virginianus [18] West Indian manatee (national aquatic animal) Trichechus manatus [18] Two-toed sloth (national animal) Choloepus hoffmanni [19] Three-toed sloth (national animal) Bradypus variegatus [19] Cuba: Cuban trogon (national bird) Priotelus temnurus [20] Denmark: Red squirrel (national ...
The following is a list of the classes in each phylum of the kingdom Animalia.There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla.
Eukaryota Temporal range: Statherian – Present 1650–0 Ma Pha. Proterozoic Archean Had. Cryptista Viridiplantae Discoba Amoebozoa Rhizaria Alveolata Animalia Fungi Scientific classification Domain: Eukaryota (Chatton, 1925) Whittaker & Margulis, 1978 Subgroups Diaphoretickes TSAR Haptista CAM clade (including plants) Provora Hemimastigophora Jakobea Tsukubea Discicristata Euglenozoa ...
Cyligramma limacina, an illustration from Félix Édouard Guérin-Méneville's Iconographie du Règne Animal de G. Cuvier 1829–1844. Le Règne Animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée (1st edition, 4 volumes, 1816) [a] (Volumes I, II and IV by Cuvier; Volume III by Pierre André Latreille)
This list of sequenced animal genomes contains animal species for which complete genome sequences have been assembled, annotated and published. Substantially complete ...
The wolverine's questionable reputation as an insatiable glutton (reflected in its Latin genus name Gulo, meaning "glutton") may be in part due to a false etymology.The less common name for the animal in Norwegian, fjellfross, meaning "mountain cat", is thought to have worked its way into German as Vielfraß, [5] which means "glutton" (literally "devours much").