. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. INCTJBATORIAL AREA IN ECHIDNA 31 Stage 53, these formations, as originally de- scribed by Gegenbaur, have grown much larger than the sweat glands (Fig. 13b, dr). I was able to examine the incubatorium of Stage 53 in toto, and in Fig. 14, it will be seen that the primary-primordia, now distinguishable. Fig. 13b.—EcnmNA: Transverse Section through THE Incubatorial Area OF Semon's Embryo, Stage 53. Dr, Gland area ; sdr, sweat gland ; hm, skin-muscle. as the definitive gland areas, hav
. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. INCTJBATORIAL AREA IN ECHIDNA 31 Stage 53, these formations, as originally de- scribed by Gegenbaur, have grown much larger than the sweat glands (Fig. 13b, dr). I was able to examine the incubatorium of Stage 53 in toto, and in Fig. 14, it will be seen that the primary-primordia, now distinguishable. Fig. 13b.—EcnmNA: Transverse Section through THE Incubatorial Area OF Semon's Embryo, Stage 53. Dr, Gland area ; sdr, sweat gland ; hm, skin-muscle. as the definitive gland areas, have just been drawn into the region of the incubatorium, but are still situated quite at the cranial corners of the folds that surround it. Below in the picture is the left gland area, a section of which, still more highly magnified, is;shown in Fig. 13b. It is therefore obvious that the gland areas. 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 Bresslau, E. (Ernst), 1877-; Hill, James Peter, 1873-1954. London : Methuen & Co.
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Keywords: ., bookcentury1900, bookdecade1920, booksu, booksubjectmammaryglands
