. The elements of embryology. Embryology; Embryology. JfA A. Head of an Embryo Chick of the Fourth Day VIEWED FROM BELOW AS AN OPAQUE OBJECT. (Chromic acid preparation.) cerebral hemispheres. vesicle of the third ventricle or thalamencephalon. Op. eyeball, nf. naso-frontal process. M. cavity of mouth. superior maxillary process of F, 1, the first visceral fold (mandibular arch). F. 2, F. 3 second and third visceral arches. N. nasal pit. In order to gain the view here given the neck was cut across between the third and fourth visceral folds. In the section e thus made are seen th
. The elements of embryology. Embryology; Embryology. JfA A. Head of an Embryo Chick of the Fourth Day VIEWED FROM BELOW AS AN OPAQUE OBJECT. (Chromic acid preparation.) cerebral hemispheres. vesicle of the third ventricle or thalamencephalon. Op. eyeball, nf. naso-frontal process. M. cavity of mouth. superior maxillary process of F, 1, the first visceral fold (mandibular arch). F. 2, F. 3 second and third visceral arches. N. nasal pit. In order to gain the view here given the neck was cut across between the third and fourth visceral folds. In the section e thus made are seen the alimentary canal al, the neural canal , the notochord eh., the dorsal aorta AO., and the jugular veins V. Ao. bulbus arteriosus. In the drawing the nasal groove has been rather exaggerated in its upper part. On the other hand the lower and shallower part of the groove where it runs between the superior maxillary process and the broad naso-frontal process has not been satisfactorily rendered. Hence the end of the superior maxillary process seems to join the inner and not, as described in the text, the outer margin of the nasal groove. A few hours later the separation of the two would have been very visible. B. The same seen sideways, to shew the visceral folds, ot. otic vesicle. Remaining letters as 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 Foster, M. (Michael), Sir, 1836-1907; Balfour, Francis M. (Francis Maitland), 1851-1882; Sedgwick, Adam, 1854-1913; Heape, Walter, 1855-1929. London : Macmillan and Co.
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Keywords: ., bookcentury1800, bookdecade1, booksubjectembryology, bookyear1883
