PAROLE IN INGLESE ASSOCIATE CON «CARPOGONIA»
carpogonia
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female
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10 LIBRI IN INGLESE ASSOCIATI CON «CARPOGONIA»
Scopri l'uso di
carpogonia nella seguente selezione bibliografica. Libri associati con
carpogonia e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
Advances in Marine Biology APL
The male organs are borne in pale-coloured areas of the fronds, situated either at
the margins or scattered between the darker areas of the frond which bear the "
carpogonia ". The spermatangia bear 32-64 (sometimes 128) spermatia, and ...
Frederick Stratten Russell, 2011
2
Algae: An Introduction to Phycology
55, Fig. 5.5a). Some have conspicuous outer domes (type 2 pit plugs: p. 55, Fig.
5.5b; 1455) 3 The tetrasporangia are cruciate or cruciate- decussate (Figs. 5.13a,
b, 5. 18m, 5.19/-/i; 585). 4 Auxiliary cells are absent. 5 The carpogonia are borne
...
Christiaan Hoek, David Mann, H. M. Jahns, 1995
3
The Freshwater Algal Flora of the British Isles: An ...
... carposporophyte <50% of whorl diameter 2 2 Carposporophytes axial, lor 2 per
whorl 3 2 Carposporophytes scattered and multiple per whorl 4 3 Carpogonia
with stalked trichogynes; cortication a single layer B. helminthosum 3 Carpogonia
...
David M. John, Brian A. Whitton, Alan J. Brook, 2002
Spermatium Rudimentary trichogyne Mucilage A Carpogonium D Spermatium
Narrow process Carpogonium B Mucilage C Fig. 13.11A Porphyra. (A), V.S.
thallus of P. tenera with carpogonia; (B), V.S. Female thallus of P. umbilicus with ...
(Adapted from Hawkes, 1978.) material from the released vesicles. The
spermatia are carried to the carpogonia by water currents. Carpogonia (with a
chromosome number of 4) differentiate from vegetative cells by the pro- duction
of a swollen ...
6
An Introduction to Phycology
female gametophytes produce numerous carpogonia with elongate trichogynes,
which after fertilization develop directly into the bladed tetrasporophyte. The life
cycle of the crustose Rhodophysema elegans shows a still further reduction with
...
G. R. South, A. Whittick, 2009
7
Text Book Of Botany Diversity Of Microbes And Cryptogams
two to female gametophyte these bear male (spermatangia) and female (
carpogonia) reproductive structures respectively. A diploid zygote formed by the
fusion of male and female gametes develops into an um-shaped fruiting body,
known as ...
8
Introduction to the History of Mycology
In 1875 Max Rees described carpogonia and spermatia in Coprinus stercorarius
(see Rees, ... bear either male (spermatia) of female (carpogonia) organs and
that fruit-body development followed fusion of spermatia with carpogonia; a claim
...
Geoffrey Clough Ainsworth, 1976
The liberated spermatia are transported up to the carpogonia with the help of
water. 3. Female Sex Organs: The female sex organs are called carpogonia and
develop on female gametophytic thalli. Each carpogonium is present at the top of
a ...
10
Proceedings of the International Seaweed Symposium
Recognition of fertilized carpogonia and diploid cell clusters was facilitated by
mating mutant green females with wild-type males, a cross which yields red
diploid tissue on a green haploid background. Whole plants were mounted for ...
Tore Levring, International Seaweed Symposium, 1971
