. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. 134 THE DEVELOPMENT OF THE CHICK : Fig. 71. —Entire embryo of 16 s, drawn from above as a transparent object. Note the cranial flexure; the rotation of the head on its left side is beginning. ' au. P., Auditory pit. F. B., Fore-brain. H. B. 1, First division of the hind brain. H. F. Am., Head-fold of the amnion. Hm. F., Hyomandibular furrow. Pr'am., Proam- nion. M. B., Mid-brain, op. Ves., Optic vesicle, pr. str., Primitive streak, s 2, s 4, s 16, Second, fourth, and sixteenth s
. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. 134 THE DEVELOPMENT OF THE CHICK : Fig. 71. —Entire embryo of 16 s, drawn from above as a transparent object. Note the cranial flexure; the rotation of the head on its left side is beginning. ' au. P., Auditory pit. F. B., Fore-brain. H. B. 1, First division of the hind brain. H. F. Am., Head-fold of the amnion. Hm. F., Hyomandibular furrow. Pr'am., Proam- nion. M. B., Mid-brain, op. Ves., Optic vesicle, pr. str., Primitive streak, s 2, s 4, s 16, Second, fourth, and sixteenth somites. V. o. m., omphalo-mesenteric vein. VII-VIII, The acustico-facialis primordium. IX-X, Primordium of the glossopharyngeus and vagus. The entire trunk tends also to bend vent rally, , to develop a dorsal convexity, and this approximates its posterior end to the tip of the head. These flexures are characteristic of amniote. 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 Lillie, Frank Rattray, 1870-1947. New York : Henry Holt
Size: 1165px × 2145px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrat, bookcentury1900, booksubjectembryology
