Somatopleure

Somatopleure

Infobox Embryology
Name = PAGENAME
Latin =
GraySubject = 6
GrayPage = 50


Caption = A series of transverse sections through an embryo of the dog. (After Bonnet.) Section I is the most anterior. In V the neural plate is spread out nearly flat. The series shows the uprising of the neural folds to form the neural canal. a. Aortæ. c. Intermediate cell mass. ect. Ectoderm. ent. Entoderm. h, h. Rudiments of endothelial heart tubes. In III, IV, and V the scattered cells represented between the entoderm and splanchnic layer of mesoderm are the vasoformative cells which give origin in front, according to Bonnet, to the heart tubes, h; l.p. Lateral plate still undivided in I, II, and III; in IV and V split into somatic (sm) and splanchnic (sp) layers of mesoderm. mes. Mesoderm. p. Pericardium. so. Primitive segment.


Caption2 = Transverse section through the region of the heart in a rabbit embryo of nine days. X 80. (Kölliker.) j, j. Jugular veins. ao. Aorta. ph. Pharynx. som. Somatopleure. bl. Proamnion. ect. Ectoderm. ent. Entoderm. p. Pericardium. spl. Splanchnopleure. ah. Outer wall of heart. ih. Endothelial lining of heart. é. Septum between heart tubes.
System =
CarnegieStage = 9
Days =
Precursor = lateral plate mesoderm, ectoderm
GivesRiseTo = mesenchyme
MeshName =
MeshNumber =
DorlandsPre = s_15
DorlandsSuf = 12743715

In the anatomy of an embryo, the somatopleure is a structure created during embryogenesis when the lateral mesoderm splits into two layers. The outer (or somatic) layer becomes applied to the inner surface of the ectoderm, and with it forms the somatopleure.

ee also

* Splanchnopleure

External links

* [http://207.62.207.35/vet02/vett2/vett2photos/lecture/module03/scan0004.jpgDiagram] at Yuba Community College District
* [http://science.kennesaw.edu/~rmatson/Biol%203350/Somatopleure.html Overview] at Kennesaw State University


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Look at other dictionaries:

  • somatopleure — ● somatopleure nom féminin Partie pariétal de l épithélium de la cavité cœlomique générale des vertébrés, appliqué contre la musculature thoraco abdominale. ● somatopleure (synonymes) nom féminin Partie pariétal de l épithélium de la cavité… …   Encyclopédie Universelle

  • Somatopleure — So ma*to*pleure, n. [Gr. sw^ma, sw matos, body + pleyra side.] (Anat.) The outer, or parietal, one of the two lamell[ae] into which the vertebrate blastoderm divides on either side of the notochord, and from which the walls of the body and the… …   The Collaborative International Dictionary of English

  • somatopleure — [sō′mə təploor΄, sō mat′əploor΄] n. [ SOMATO + Gr pleura, a side] Embryology a mass of tissue formed from the fusion of the ectoderm and the outer of the two layers of the mesoderm, forming much of the body wall and the amnion and chorion… …   English World dictionary

  • Somatopleure — La somatopleure est le feuillet externe du mésoblaste recouvrant la face interne de l épiblaste, par opposition à la splanchnopleure. La somatopleure est à l origine notamment de l épithelium coelomique, de la musculature de la tête, et des… …   Wikipédia en Français

  • somatopleure — Embryonic layer formed by association of the parietal layer of the lateral plate mesoderm with the ectoderm. [somato + G. pleura, side] * * * so·ma·to·pleure sō mat ə .plu̇(ə)r, sō mət ə …   Medical dictionary

  • somatopleure — noun Etymology: New Latin somatopleura, from somat + Greek pleura side Date: 1874 a complex fold of tissue in the embryo of a craniate vertebrate consisting of an outer layer of mesoderm together with the ectoderm that sheathes it and giving rise …   New Collegiate Dictionary

  • somatopleure — n. [Gr. soma, body; pleura, side] The somatic layer …   Dictionary of invertebrate zoology

  • somatopleure — somatopleural, somatopleuric, adj. /seuh mat euh ploor , soh meuh teuh /, n. Embryol. the double layer formed by the association of the upper layer of the lateral plate of mesoderm with the overlying ectoderm, functioning in the formation of the… …   Universalium

  • somatopleure — noun A fold of tissue, in the embryo of a vertebrate, from which the walls of the body and the amnion develop …   Wiktionary

  • somatopleure — n. layer of embryonic cells from which the internal body walls and amnion develop (Embryology) …   English contemporary dictionary

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