. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. ;!./ £;<j. *'j'^i;g.,.. > rrt-cewMB. v^ -V-^/J Fig. 239. — Lateral sagittal section of the same vertebra) (as in Fig. 238). At. 1, 2, Floor and roof of atlas. B. C, Basis cranii. Cerv. n. 1,2, First and second cervical nerves. Med. Obi., Medulla oblongata. R. V. 2, 3, 4, Ribs of the second, third, and fourth vertebrae. V. A. 2, 3, Arches of the second and third vertebrae. XII 2, Second root of hypoglossus. entirely endochondral, though traces of perichondral ossification may be
. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. ;!./ £;<j. *'j'^i;g.,.. > rrt-cewMB. v^ -V-^/J Fig. 239. — Lateral sagittal section of the same vertebra) (as in Fig. 238). At. 1, 2, Floor and roof of atlas. B. C, Basis cranii. Cerv. n. 1,2, First and second cervical nerves. Med. Obi., Medulla oblongata. R. V. 2, 3, 4, Ribs of the second, third, and fourth vertebrae. V. A. 2, 3, Arches of the second and third vertebrae. XII 2, Second root of hypoglossus. entirely endochondral, though traces of perichondral ossification may be found on the ventral and dorsal surfaces of each centrum before the endochondral ossification sets in. The perichondral centers soon cease activity. The endochondral centers arise just outside the perichordal sheath near the center of each ver- tebra on each side of the middle line, but soon fuse around 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 Lillie, Frank Rattray, 1870-1947. New York : Henry Holt
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Keywords: ., bookauthorlilliefrankrat, bookcentury1900, booksubjectembryology
