. Cunningham's Text-book of anatomy. Anatomy. Fig. 39.—Transverse Section of the Zygote shown in Fig. 38, showing the differentiation of the mesoderm. of a triangular prism with the apex directed ventro-medially, towards the notochord, and the base dorso-laterally, towards the surface ectoderm. The cephalic portion of each paraxial bar, as far caudalwards as the middle of the hind-brain, remains unsegmented, but the remainder is cut into a number of Scleratogenous mesoderm „ Muscle plate . Cutis lamella Wolffian duct -^ Intermediate cell Amnion cavity Neural tube - - Spinal ganglion
. Cunningham's Text-book of anatomy. Anatomy. Fig. 39.—Transverse Section of the Zygote shown in Fig. 38, showing the differentiation of the mesoderm. of a triangular prism with the apex directed ventro-medially, towards the notochord, and the base dorso-laterally, towards the surface ectoderm. The cephalic portion of each paraxial bar, as far caudalwards as the middle of the hind-brain, remains unsegmented, but the remainder is cut into a number of Scleratogenous mesoderm „ Muscle plate . Cutis lamella Wolffian duct -^ Intermediate cell Amnion cavity Neural tube - - Spinal ganglion - Sympathetic ganglion Aorta Intra-embryonic ccelom Extra-embryonic ccelom Gut Ccelom Umbilicus Yolk-sac Fig. 40.—Schema of a Transverse Section of a Zygote, showing differentiation of mesoderm and extension of amnion. segments, the mesodermal somites, by a series of transverse clefts (Fig. 38). The first cleft appears in the region of the hind-brain, and the others °are formed successively, each caudal to its predecessor. Only three or four somites lie in the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cunningham, D. J. (Daniel John), 1850-1909; Robinson, Arthur, b. 1862, ed. New York, W. Wood
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1914
