Results 211 to 220 of about 516,150 (266)
A retrospective report on chiggers at a focus of scrub typhus on the China-Vietnam border in Yunnan of southwest China. [PDF]
J Vet SciYu R, Zhang L, Guo XG.
europepmc +1 more source
Correction to: Gestation length both shapes and is shaped by other life history traits in terrestrial eutherian mammals. [PDF]
Evol Letteuropepmc +1 more source
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Nature, 1953
POLYSPERMY—the entry of more than one sperm into the vitellus at fertilization—is commonly regarded as a pathological process in mammals, with the implication that it leads to early degeneration of the embryo, and this opinion has been expressed by such authorities as Lams1, Wilson2, and Hartman3.
C R, AUSTIN, A W, BRADEN
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POLYSPERMY—the entry of more than one sperm into the vitellus at fertilization—is commonly regarded as a pathological process in mammals, with the implication that it leads to early degeneration of the embryo, and this opinion has been expressed by such authorities as Lams1, Wilson2, and Hartman3.
C R, AUSTIN, A W, BRADEN
openaire +2 more sources
Mesozoic Mammals and the Polyphyletic Origin of Mammals
Evolution, 1959This is, in one way, a poor time to review the iViesozoic mammals and the origin of mammals. Discoveries and studies announced but not yet published fully, if at all, are extraordinarily rich and important. They include: late Cretaceous mammals from Wyoming (McKenna and associates at the University of California) ; Triassic mammals or very advanced ...
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Evolution, 2021
Aposematic coloration is traditionally considered to signal unpalatability or toxicity. In mammals, most research has focused on just one form of defense, namely, noxious anal secretions, and its black-and-white advertisement as exemplified by skunks.
Natasha Howell +5 more
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Aposematic coloration is traditionally considered to signal unpalatability or toxicity. In mammals, most research has focused on just one form of defense, namely, noxious anal secretions, and its black-and-white advertisement as exemplified by skunks.
Natasha Howell +5 more
openaire +3 more sources
The Quarterly Review of Biology, 1960
Melanocytes may be regarded as unicellular, pigment-secreting glands, largely though not entirely confined to the epidermis, of which they are a constant though often un-recognized cellular component. Their numerical incidence, and their branching form, with numerous dichotomizing processes, are such as to form a reticular system within the epidermis ...
Billingham, R E, Silvers, W K
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Melanocytes may be regarded as unicellular, pigment-secreting glands, largely though not entirely confined to the epidermis, of which they are a constant though often un-recognized cellular component. Their numerical incidence, and their branching form, with numerous dichotomizing processes, are such as to form a reticular system within the epidermis ...
Billingham, R E, Silvers, W K
openaire +2 more sources