. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. The Skeleton 605 Mesenchymal invasion of the fold is soon followed by muscle-bud pene- tration during which one or two buds grow into the fold from each myotome adjacent to this region. Spinal Nerve 1 Spinal Nerve 30 Antero-Dorsal Fin. Pelvic Fin Fig. 526. Embryo of the dogfish Scyllium, showing myotomes sending out muscle-buds along entire trunk region. (After Goodrich.) Between successive muscle buds cartilage formation, through the activity of mesenchym
. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. The Skeleton 605 Mesenchymal invasion of the fold is soon followed by muscle-bud pene- tration during which one or two buds grow into the fold from each myotome adjacent to this region. Spinal Nerve 1 Spinal Nerve 30 Antero-Dorsal Fin. Pelvic Fin Fig. 526. Embryo of the dogfish Scyllium, showing myotomes sending out muscle-buds along entire trunk region. (After Goodrich.) Between successive muscle buds cartilage formation, through the activity of mesenchymal cells, takes place, giving rise to more or less parallel rows of elongate radial cartilages (Fig. 527). At approximately the same time, a concentration, or crowding of structures, in the base of the fin occurs due to the failure of this basal region to keep pace, in its growth, with the rest of. 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 Walter, Herbert Eugene, b. 1867; Sayles, Leonard Perkins, 1902-. New York : Macmillan Co.
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Keywords: ., bookcentury1900, booksubjectanatomycomparative, booksubjectverte
