. The elements of Embryology. Embryology. ^•] THE CRANIAL FLEXURE. 333 dfp. splanchnic mesoblast; ph. pericardial section of body- cavity ; ahh. muscular wall of heart; ihh. epithelioid layer of heart; vies, lateral undivided mesoblast ; sio. fold of hypo- blast which wUl form the ventral wall of the pharynx ; s/*. I commencing throat. The later stages in the development proceed in the main in the same manner as in the Bird. The cranial tiexure 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 elements of Embryology. Embryology. ^•] THE CRANIAL FLEXURE. 333 dfp. splanchnic mesoblast; ph. pericardial section of body- cavity ; ahh. muscular wall of heart; ihh. epithelioid layer of heart; vies, lateral undivided mesoblast ; sio. fold of hypo- blast which wUl form the ventral wall of the pharynx ; s/*. I commencing throat. The later stages in the development proceed in the main in the same manner as in the Bird. The cranial tiexure 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 um. Advanced Embryo of a Rabbit (about Twelve Dats)^ vib. mid-brain; th. thalamencephalon ; ce. cerebral hemisphere; op. eye ; fourth ventricle ; mx. maxiUary process ; md. mandibular arch ; hy. hyoid arch ; fl. fore-limb ; hi. hind- hmb ; um. umbilical stalk. ^ 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. London, MacMillan
Size: 1777px × 1407px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookautho, bookcentury1800, bookdecade1880, booksubjectembryology
