QUE SIGNIFIE ARCHEGONIAL EN ANGLAIS
définition de archegonial dans le dictionnaire anglais
La définition de archéologique dans le dictionnaire est relative à un archégone.
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «ARCHEGONIAL»
Découvrez l'usage de
archegonial dans la sélection bibliographique suivante. Des livres en rapport avec
archegonial et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Botany for Degree Students Part-III: Bryophyta
It consists of a ring of cells and surmounts the archegonial base. It is called the
perigynium or pseudoperianth. The formation of the perigynium is stimulated after
fertilization. The ventral canal cell and the neck canal cells degenerate at ...
B R Vashishta, A K Sinha, Adarsh Kumar,
2011
2
Diversity and Systematics of Seed Plants
All superficial cells at the micropylar end of the female gametophyte have the
capacity to develop into archegonia, but only a few cells differentiate into
archegonial initials. The number of archegonial initials varies in different species;
...
Dr. Singh, Dr. Pande & Dr. Jain,
2009
3
Botany For Degree Gymnosperm (M.E.)
our in groups and form an archegonial complex. Such Podocarpl'f's Pmus groups
may also develop at the chalazal end of the female mxburgh” Taxus baceata
Gnetum ula gametophyte, e.g., Biota orientalis and Cryptomeria japonica.
P C Vashishta, A K Sinha, Anil Kumar, P.C.Vasishta
4
Text Book Of Botany Diversity Of Microbes And Cryptogams
(a) Archegonial branch. The archegonial branches arise laterally at the base of
the male branch. Archegonia are borne in groups at the apex of these branches.
They are surrounded by a cluster of leaves, known as perichaetial leaves.
5
Competition Science Vision
Archegonium — The archegonium develops from a single celled archegonial
initial which grows and projects above the surface of thallus. It then divides
transversely into an outer or upper cell and a lower or basal cell. The lower cell or
basal ...
As in Pinaceae the archegonial cytoplasm is composed of numerous cytoplasmic
inclusions. The enclosed cytoplasm, unlike Pinaceae, represents a smaller
fraction of the egg cytoplasm. It shows nodules of dense cytoplasm with crescent-
...
S. P. Bhatnagar, Alok Moitra,
1996
7
Competition Science Vision
archegonium develops from a single archegonial initial. The cover cell in Funaria
contributes to the formation of the archegonial neck and axial row of neck canal
cells. The archegonial cluster with the perichaetial leaves constitutes the ...
8
Competition Science Vision
archegonium develops from a single archegonial initial. The cover cell in Funaria
contributes to the formation of the archegonial neck and axial row of neck canal
cells. The archegonial cluster with the perichaetial leaves constitutes the ...
9
Competition Science Vision
archegonium develops from a single archegonial initial. The cover cell in Funaria
contributes to the formation of the archegonial neck and axial row of neck canal
cells. The archegonial cluster with the perichaetial leaves constitutes the ...
Usually 2-6 cells in the micropylar region of the female gametophyte differentiate
into archegonial initials. In Dioon edule up to 10 archegonial cells are formed
and in Microcycas more than 100 archegonial initials differentiate some of them
on ...