Results 11 to 20 of about 284,770 (295)
The embryo sac, the female gametophyte of flowering plants, plays important roles in the pollination and fertilization process. Maize (Zea mays L.) is a model monocot, but little is known about the interactions between its embryo sac and the pollen tube.
Shuai Shuai eWang +5 more
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Embryo sac haustorium in Dryas octopetala L. (Rosaceae) [PDF]
The embryo sac haustorium found in Dryas octopetala L. from the Tatra Mts is the first record of its occurrence in Rosaceae. At the eight-nucleate stage of the embryo sac, the antipodal end of the central cell began to grow into a narrow caecum filled ...
Romana Czapik
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During megasporocyte and embryo sac development in Lilium regale, characteristic changes were noted within the cytoplasm. In the course of prophase I there appear parallel systems of endoplasmic reticulum cisternae which further transform to cytoplasmic ...
C. Marciniak
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Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)
Chloris virgata Sw., Cynodon dactylon (L.) Pers., Harpochloa falx (L. f.) Kuntze, and Tragus berteronianus Schult. have a Polygonum type of embryo sac development.
A. Strydom, J. J. Spies
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Megasporogenesis and development of the embryo sac in the Palestine variety of Trifolium alexandrinum L. [PDF]
The structure and development of the embryo sac in Trifolium alexandrinum (Palestine variety), are very similar to that in Trifolium pratense. The embryo sac of Trifolium alexandrinum is monosporal, has eight nuclei and is of the Polygonum type.
S. Krupko
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CUL-DE-SAC Pregnancy Following In Vitro Fertilization and Embryo Transfer [PDF]
Objective: We report a case of cul-de-sac pregnancy following in vitro fertilization and embryo transfer (IVF-ET) in a patient with primary infertility. Case Report: A 33-year-old primigravida woman underwent IVF-ET 4 weeks before her presentation. Serum
Chuan-Chi Shih +2 more
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SHORT-CHAIN CARBOXYLIC-ACIDS, A NEW CLASS OF TERATOGENS - STUDIES OF POTENTIAL BIOCHEMICAL-MECHANISMS [PDF]
Certain short-chain carboxylic acids (SCCA) appear to share a common teratogenic potential, although the structural requirements for activity remain obscure.
Coakley, ME, Rawlings, SJ, Brown, NA
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Origins and functions of phagocytes in the embryo [PDF]
Objective. To review the data on the origins, phenotype, and function of embryonic phagocytes that has accumulated over past decade. Data Sources. Most of the relevant articles were selected based on the PubMed database entries.
Lichanska, A M +5 more
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Nutrition of ovule, embryo sac, and young embryo in soybean: an anatomical and autoradiographic study [PDF]
Photosynthesizing soybean plants were exposed to 14CO2 to study the incorporation of labeled water-insoluble photosynthates in ovules at various developmental stages. Using autoradiographic techniques on sectioned material, we show that the distribution
Reid G. Palmer +2 more
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Electrolyte and Water Balance of the Early Avian Embryo: Effects of Egg Turning [PDF]
Formation of sub-embryonic fluid (SEF) is a key aspect of the physiology of the early avian embryo.Here we review the process of SEF formation and the factors which influence its composition and the rate of SEF production and depletion in the Japanese ...
Latter, G.V. +2 more
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