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单词 endosperm
释义
Examples from literature
  • As a rule the embryo is very small and surrounded by abundant endosperm.
  • In cases where the embryo has stored reserve food within itself and thus provided for self-nutrition, such endosperm as remains in the seed may take on other functions, for instance, that of water-absorption.
  • The formation of endosperm starts, as has been stated, from the endosperm nucleus.
  • The function of the endosperm is primarily that of nourishing the embryo, and its basal position in the embryo-sac places it favourably for the absorption of food material entering the ovule.
  • This apparently profitable machine permitted the miller to efficiently separate wheat flour into three components: bran, germ and endosperm.

Examplesofendosperm

endosperm
Theendospermhas a very thick peripheral cell wall (cw).
From theCambridge English Corpus
The cytokinin or ethylene requirements for overcoming thermoinhibition of lettuce germination can also be eliminated or diminished by removing or weakening theendosperm.
From theCambridge English Corpus
Or does the radicle elongate to the extent of pushing against theendospermbeforeendospermdegradation begins?
From theCambridge English Corpus
An alternative explanation is thatendospermsoftening requires more than mannan degradation.
From theCambridge English Corpus
This suggests that these storage polymers are responsible for the shape of the typicalendospermspectrum.
From theCambridge English Corpus
As described above, theendospermof the mature grain is packed with storage polymers rich in carbohydrate, protein and lipid.
From theCambridge English Corpus
Cellular membrane integrity was studied in developingendospermduring differentiation and maturation.
From theCambridge English Corpus
At stage 8, theendospermchanged from a liquid to viscous consistency and occupied only 50% of the seed volume.
From theCambridge English Corpus
After 28 d, embryos had grown to 0.6 mm2 and occupied nearly 60% of the mucilaginousendospermwithin which the embryo develops.
From theCambridge English Corpus
A very thinendosperm(es) surrounds the embryo, leaving spaces of free water (w) in between.
From theCambridge English Corpus
The size of theendospermthat contains essential protein, starch and other nutrients is an important criterion for crop breeding programmes.
From theCambridge English Corpus
As the most important source of staple grains, theendospermis measured for a phenotypic trait of interest.
From theCambridge English Corpus
Statistical methods for dissecting triploidendospermtraits using molecular markers : an autogamous model.
From theCambridge English Corpus
Rather, a stimulus released from the cotyledon is more likely to induce the major cell wall degrading enzyme, endo- mannanase, within theendospermitself.
From theCambridge English Corpus
Naked embryos were sensitive to imbibitional stress, whereas embryos with an intact, thick-walledendospermwere not.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/endosperm##
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