Titlebook: Somites in Developing Embryos; Ruth Bellairs,Donald A. Ede,James W. Lash Book 1986 Springer Science+Business Media New York 1986 adhesion.

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Cell Lineage and the Formation and Maintenance of Half Somites,stral) half. The boundary between the rostral and caudal halves of a segment coincides with a “compartment boundary”, which may arise because the descendants of the founder cells of each neighbouring compartment are unable to mix with each other (Morata & Lawrence, 1975).

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Somitomeres: The Primordial Body Segments,t microscopy, or even with the naked eye. However, when viewed with stereo scanning electron microscopy (SEM), the paraxial mesoderm that has not yet formed into somites is seen to be segmented as patterned arrays of looser mesenchyme cells. Meier has named these new morphological units “somitomeres

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The Metameric Organization of the Presomitic Mesoderm and Somite Specification in the Mouse Embryo,be (Neal, 1918; Adelman, 1925; Bartelmez, 1923) and the formation of somites in the paraxial mesoderm (Butcher, 1929; Rugh, 1968; Theiler, 1972). Somites, which are tandem blocks of mesodermal cells, are arranged in a craniocaudal series and they are formed by the successive segmentation of the para

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The Effects on Vertebral Development of Removing a Single Somite from A 2-Day Old Chick Embryo,influencing factors of this regulation do not appear to be well understood. There are, in fact, very few papers in the literature that deal with the effects of somite removal and the subsequent regulation, particularly in relation to the medial migration of the somitic material and development of th

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On the Problem of Metamerism in the Head Mesenchyme of Chick Embryos,ppeared segmental and therefore could prove the idea of a primary metamerism even in the head of higher vertebrates. The phylogenetic aspects of the so-called “Kopfproblem” or head problem are discussed in detail by Starck (1979). With regard to a somite-like subdivision of the head mesenchyme two s

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The Pattern of Communication Through Gap Junctions During Formation of the Embryonic Axis,lead to the formation of neural elements whose structures also form in a strict rostro-caudal sequence. Axis formation within the mesoderm naturally falls into two parts: the generation of the mesoderm itself and the patterning of mesodermal elements to form the notochord and somites. Cellular inter