KSIĄŻKI POWIĄZANE ZE SŁOWEM «MICROPYLAR»
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1
Developmental Biology of Teleost Fishes
Organelles are rare: some spherical mitochondria and some vesicles are
observed. An absence of desmosomes between the micropylar cell and the
adjoining follicle cells has been reported. The micropylar cell has not yet formed
a protrusion ...
2
Seeds: Biology, Development and Ecology
If micropylar caps are dissected from tomato seeds prior to the onset of
endosperm weakening (3 h), a further 24h incubation of isolated micropylar caps
in medium with GA results in endosperm weakening (i.e. puncture force
decreases by ...
Sheldon C. Navie, Steve W. Adkins, Sarah Ashmore, 2007
3
Molecular Embryology of Flowering Plants
The haustoria arise at either the micropylar or the chalazal end or at both ends of
the developing endosperm and appear as branched tubular processes that
invade adjacent parts of the ovule such as the nucellus, integuments, and
chalazal ...
Valayamghat Raghavan, 1997
4
The Seeds of Dicotyledons
PIPERACEAE Ovule solitary, orthotropous, erect, bitegmic and basal in Piper,
unitegmic and sub-basal in Peperomia, crassi- nucellate; o.i. and i.i. 3-5 cells
thick in Piper or o.i. merely 2 cells thick in the micropylar part, o.i. shorter than i.i. ...
Edred John Henry Corner, 1976
Dr. N.P. Saxena. B. formed. Both primary and secondary haustoria may reach the
basal. Fig. 350. Opilia amentacea : Endosperm with a well developed micropylar
haustorium. Fig. 356. Monochoria korsakonii : Lateral haustoria developing ...
6
Fertilization in Protozoa and Metazoan Animals: Cellular and ...
The micropyle consists of a vestibule and a micropylar canal, which is generally
funnel-shaped (Ginsburg 1963; Kudo 1980, 1982b; Laale 1980; Kobayashi and
Yamamoto 1981). A single micropyle is always located in the vicinity of the egg ...
Juan J. Tarin, Antonio Cano, 2000
7
Plant Anatomy and Embryology
small cell is called chalazal chamber while the bigger one is called micropylar
chamber which divides and forms a linear row of three cells. The central cell
develops into the endosperm proper and remaining cells form the micropylar and
...
S. N. Pandey, Ajanta Chadha, 1996
8
University Botany- Iii : (Plant Taxonomy, Plant Embryology, ...
A) 8-NUCLEATED EMBRYOSACS : a) Adoxa type : It was reported in Adoxa
moschatella by Johnson in 1879. In coenomegaspore two nuclei situate at
micropylar region and other two at chalazal region. They divide once and give
rise eight ...
or isogamous or heterogamous complex-heterozygotes.2 In homozygotes, such
as hookem', the embryo sac seemed to develop regularly from the micropylar
spore; in isogamous heterozygotes (those which lack gametophytic lethals, e.g., ...
Ernst W. Caspari, J. M. Thoday, 1963
10
Developmental Genetics
Each nucleus divides twice and gives four nuclei at each pole. The four nuclei at
the micropylar region constitute micropylar quartet and the four nuclei at the
chalazal region constitute chalazal quartet. All the eight nuclei of the embryo sac
are ...
Gurbachan S. Miglani, 2005
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «MICROPYLAR»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
micropylar w wiadomościach.
Conifer cousin produces insect-attracting droplets at full moon
'To our astonishment, even cones that appeared too young to be pollinated… secreted pollination drops from a pore-shaped micropylar ... «Daily Mail, Kwi 15»
Hydatellaceae are water lilies with gymnospermous tendencies
The micropylar pole is towards the top of the figure. At the two-nucleate syncytial stage (blue boxes), water-lily female gametophytes have both ... «Nature.com, Mar 08»
