. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. MAMMAEY HAIRS 91 opened up, and shows clearly the remains of the marsupial pockets and the nipples, which have just emerged from their pouches, each carrying on its tip a pencil-like tuft of mammary hairs. Primary-primordia, nipple primordia, nipple pouches with their appertaining hair and. Fir. 33.—Nipple or Phascolarctos, showing Mammary Hairs. gland buds, and finally the nipples—this is the order of developmental succession of the mammary organs in the lowest pouchless Didelphyi


. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. MAMMAEY HAIRS 91 opened up, and shows clearly the remains of the marsupial pockets and the nipples, which have just emerged from their pouches, each carrying on its tip a pencil-like tuft of mammary hairs. Primary-primordia, nipple primordia, nipple pouches with their appertaining hair and. Fir. 33.—Nipple or Phascolarctos, showing Mammary Hairs. gland buds, and finally the nipples—this is the order of developmental succession of the mammary organs in the lowest pouchless Didelphyidse. In the higher forms we find, in addition, the raarsupium. How, then, is the appearance of this organ to be explained ? In order to answer this question we must bear in mind that even in the pouchless. 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.


Size: 1687px × 1481px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksu, booksubjectmammaryglands