. Analysis of development. Embryology; Embryology. -t':'^!lil|. 3 ^ "V 5 III' iM. Fig. 239. Amblystoma punctatum larvae; Qii sections of regenerating forelimbs, stained for alkaline phosphatase (from Karczmar and Berg, '51). 1, Normal enzyme distribution. Healing on the first day after amputation. E, Epidermal cap, + (single plus); M, muscle, + (single plus); C, diaphysis and marrow of humerus, + + (double plus); H, hypodermis. X 150. 2, Dedifferentiation and first increase in enzyme activity, third day after amputation. Hypodermis (//), perichondrium (P) and weakly staining muscle (M) de
. Analysis of development. Embryology; Embryology. -t':'^!lil|. 3 ^ "V 5 III' iM. Fig. 239. Amblystoma punctatum larvae; Qii sections of regenerating forelimbs, stained for alkaline phosphatase (from Karczmar and Berg, '51). 1, Normal enzyme distribution. Healing on the first day after amputation. E, Epidermal cap, + (single plus); M, muscle, + (single plus); C, diaphysis and marrow of humerus, + + (double plus); H, hypodermis. X 150. 2, Dedifferentiation and first increase in enzyme activity, third day after amputation. Hypodermis (//), perichondrium (P) and weakly staining muscle (M) dedifferentiating distally into + + (double plus) mesenchyme. 3, Accumulation of enzyme-rich mesenchyme: fifth day after amputation. Bm, Mesenchyme, staining + + (double plus) to + + + (triple plus); C, proximal epiphysis of humerus with + + + (triple plus) matrix; Ch, hyaline cartilage of shoulder joint with enzyme-free matrix; M, muscle, + (single plus); H, hypodermis, + + + (triple plus). X 80. 4, Early blastema with an apical gradient of enzyme activity, 9% days after amputation. This section was incubated 20 hours beyond the optimum time, to test for the leakage of stain. The reference. 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 Willier, Benjamin H. (Benjamin Harrison), b. 1890. Philadelphia, Saunders
Size: 3094px × 808px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookpublisherphiladelphi, booksubjectembryology
