Publication: Mucopolysaccharide histochemistry of the oviduct of the toad, Bufo melanostictus, before and during ovulation
Authors
Tan, C.K. ; Chen, T. W. ; Gan, J.M.L.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
In both non-ovulating and ovulating toads of
the species, Bufo melanostictus, the fimbrium stained
only weakly for mucopolysaccharides (MPs) whereas
the infundibulum stained strongly for neutral MPs and
also for glycogen. In the non-ovulating toad, only neutral
and sulphated MPs were detected in the goblet cells of
the upper magnum, whereas sulphated, neutral and
sialomucins were detected in the glands. In the middle
magnum, sulphated and sialic acid-containing
carboxylated MPs were detected in both the goblet cells
and glands. In the lower magnum, neutral, sulphated,
and sialic acid-containing MPs were detected in the
goblet cells and only sulphated and sialic acidcontaining
MPs were detected in the glands. In the
isthmus and ovisac, only sulphated MPs were present in
the goblet cells. During ovulation, there was no change
in the distribution of sulphated MPs throughout the
oviduct. Sialic acid-containing MPs could not be
detected in many of the goblet cells of the upper and
lower magnum nor in most of the glands of the lower
magnum.
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