Results 11 to 20 of about 284,770 (295)

Transcript profiles of maize embryo sacs and preliminary identification of genes involved in the embryo sac–pollen tube interaction

open access: yesFrontiers in Plant Science, 2014
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
doaj   +2 more sources

Embryo sac haustorium in Dryas octopetala L. (Rosaceae) [PDF]

open access: yesActa Societatis Botanicorum Poloniae, 2014
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
doaj   +2 more sources

Cytochemical investigations of the megasporocyte and embryo sac in Lilium regale at various stages of development

open access: yesActa Societatis Botanicorum Poloniae, 2015
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
doaj   +2 more sources

Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)

open access: yesBothalia: African Biodiversity & Conservation, 1994
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
doaj   +2 more sources

Megasporogenesis and development of the embryo sac in the Palestine variety of Trifolium alexandrinum L. [PDF]

open access: yesActa Societatis Botanicorum Poloniae, 2015
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
doaj   +2 more sources

CUL-DE-SAC Pregnancy Following In Vitro Fertilization and Embryo Transfer [PDF]

open access: yesTaiwanese Journal of Obstetrics & Gynecology, 2007
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
doaj   +2 more sources

SHORT-CHAIN CARBOXYLIC-ACIDS, A NEW CLASS OF TERATOGENS - STUDIES OF POTENTIAL BIOCHEMICAL-MECHANISMS [PDF]

open access: yes, 1986
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
core   +4 more sources

Origins and functions of phagocytes in the embryo [PDF]

open access: yes, 2000
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
core   +1 more source

Nutrition of ovule, embryo sac, and young embryo in soybean: an anatomical and autoradiographic study [PDF]

open access: yes, 1993
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
core   +2 more sources

Electrolyte and Water Balance of the Early Avian Embryo: Effects of Egg Turning [PDF]

open access: yes, 2002
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
core   +1 more source

Home - About - Disclaimer - Privacy