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Somites in Developing Embryos

By (author) Ruth Bellairs

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Somite development is a unique and important topic; unique because somitic mesoderm is the first tissue to become segmented, important because the somites - once established - exert a profound influence on other segÂ mental structures which form later. Somite development is of interest at a number of levels. In one aspect, demarcation of a specific number of somites and size regulation, it is a particularly intriguing example of embryonic pattern formation, 'especially in vew of its possible relation to homoeobox-controlled segmentation in insects. At another level, somite development has long been studied by comparaÂ tive anatomists, but only recently has new light been thrown on such subÂ jects as segmentation of the head, proposed in the 18th century by Goethe and now a live issue for developmental biologists. Somit es are simple when they first appear, but very complex structures arise from them. These include the vertebrae and the axial and other muscles and consequently there is a wealth of morphogenetic problems to be explored. Sometimes their morphogenesis is disturbed, by genetic or environÂ mental factors, and there are many clinical conditions which arise as a result.

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The Memory Collectors: A Novel

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was: R 631.95
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Fifteen Dogs

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Paperback / softback
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The Ballerina and the Bull: Anarchist Utopias in the Age of Finance

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Paperback / softback
288 pages
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Our moment has seen the resurgence of an anarchist sensibility, from the uprisings in Seattle in 1999 to the Occupy movement of 2011.

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