. An American text-book of obstetrics. For practitioners and students. Visceralmesoderm Pleuropericar-dial cavity. Pericardialplates. Extensionof celom. Fig. 73.—Transverse section of a sixteen and a half day sheep embryo (Bonnet). widely extending mesodermic area (Fig. 74). The lateral mesodermic plateundergoes cleavage into an upper and a lower lamina which respectivelyadhere to the ectoderm and the entoderm. The upper and outer of the result-ing two-layered lamellse constitutes the somatopleure; the under and inner one, Medullaryfurrow. Ectoderm. Uncleftmesoderm. Parietalmesoderm.
. An American text-book of obstetrics. For practitioners and students. Visceralmesoderm Pleuropericar-dial cavity. Pericardialplates. Extensionof celom. Fig. 73.—Transverse section of a sixteen and a half day sheep embryo (Bonnet). widely extending mesodermic area (Fig. 74). The lateral mesodermic plateundergoes cleavage into an upper and a lower lamina which respectivelyadhere to the ectoderm and the entoderm. The upper and outer of the result-ing two-layered lamellse constitutes the somatopleure; the under and inner one, Medullaryfurrow. Ectoderm. Uncleftmesoderm. Parietalmesoderm. Celom. Visceralmesoderm. Notochord. Somite. Gut entoderm. Fig. 74.—Transverse section of a sixteen and a half day sheep embryo possessing: six somites (Bonnet). the splanchnopleure. The space included between the two leaves of the cleftlateral mesoderm is the primitive body-cavity or celom, which afterward becomesthe pleuro-peritoneal cavity. DEVELOPMENT OF THE FETAL MEMBRANES. Plate 11.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectobstetrics, bookyear1
