. The elements of embryology . Embryology. X.] THE CKANIAL FLEXURE. 333 dfp, splanchnic mesoblast; ph. pericardial section of body- cavity ; aUi. muscular waU of heart; ihh. epithelioid layer of heart; me*, lateral undivided mesoblast; sw. fold of hypo- blast which will form the ventral wall of the pharynx; sr. commencing throat. The later stages in the development proceed in the main in the same manner as in the Bird. The cranial flexiire soon becomes very marked, the mid-brain form- ing the end of the long axis of the embryo (Fig. 108). The sense organs have the usual development. Under the
. The elements of embryology . Embryology. X.] THE CKANIAL FLEXURE. 333 dfp, splanchnic mesoblast; ph. pericardial section of body- cavity ; aUi. muscular waU of heart; ihh. epithelioid layer of heart; me*, lateral undivided mesoblast; sw. fold of hypo- blast which will form the ventral wall of the pharynx; sr. commencing throat. The later stages in the development proceed in the main in the same manner as in the Bird. The cranial flexiire soon becomes very marked, the mid-brain form- ing the end of the long axis of the embryo (Fig. 108). The sense organs have the usual development. Under the fore-brain appears an epiblastic involution giving Fig. 108. mS am. Advanced Embryo of a Kabbit (about Twelve Dats)^ mh. mid-brain; th. thalamencephalon; ce. cerebral hemisphere; op. eye; fourth ventricle; mx. maxillary process ; md. mandibular arch ; hy. hyoid arch ; fl. fore-limb ; hi. hind- limb ; um. umbilical stalk. 1 This figure was drawn by Mr 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 ; New York : Macmillan
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Keywords: ., bookcentury1800, bookdecade1880, bookpubli, booksubjectembryology
