CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «ANTHERIDIA»
Descoperă întrebuințarea
antheridia în următoarea selecție bibliografică. Cărți în legătură cu
antheridia și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
Botany for Degree Students Part-III: Bryophyta
of sex organs (i) Both (antheridia and archegonia) lie immersed, each phores,
which are terminal in positionon the thallus lobes. (iv) In contrast to the scattered
arrangement in Riccia, the sex organs are developed in localized areas called
the ...
B R Vashishta, A K Sinha, Adarsh Kumar, 2011
2
Pictorial Atlas of Soil and Seed Fungi: Morphologies of ...
Oogonia including aplerotic oospores echinulate with 1–4 (8) protuberances
irregularly distributed characteristically, bearing single monoclinous antheridia
per oogonium. Antheridia clavate or cylindrical, partially covering oogonia,
connected ...
3
The Freshwater Algal Flora of the British Isles: An ...
Christensen had a lifetime's 1 Antheridia without a supporting cell 2 interest in
Vaucheria, and studied not only Danish 2 Antheridia sessile or on a short stalk 3
material, but British and other foreign material. He 2 Antheridia distinctly stalked 5
...
David M. John, Brian A. Whitton, Alan J. Brook, 2002
4
University Botany I : (Algae, Fungi, Bryophyta And Pteridophyta)
Monoecious species are protandrous i.e. Antheridia appear earlier than
archegonia. Sex-Organs are embedded in the tissues of the gametophyte on the
dorsal side of the thallus. a) Structure and Development of Antheridium
Antheridia are ...
5
An Introduction to Pteridophyta: Diversity, Development, ...
Normally, antheridia and archegonia are intermingled and distributed all over the
surface. In some species of Lycopodium intermingling of sex organs occur (L.
lucidulum) but in other species the antheridia and archegonia form distinct
patches ...
6
An Introduction to the Study of Algae
when they were considered to be male by analogy. The antheridia are either
borne over the whole surface (e.g. Dumontia), or else in localized sori. These sori
are reticulate in Rhodymenia, band-like in Griffithsia, borne on special branches
in ...
7
Cryptogams: Algae, Bryophyta and Pterldophyta
Secondary antheridia develop later by budding from the bases of the older
antheridia (Campbell, 1918, Proskauer, 1915). However, Bhardawaj (1958)
reported that in A. gemmulosus the secondary antheridia develop from the basal
cells lying ...
8
Working with Ferns: Issues and Applications
Regulation of transverse expansion of an antheridial mother cell is the crucial
element of GA3-induced antheridia formation. Antheridia induction takes place
only in the presence of GA3 and depends on transverse expansion of the
antheridial ...
Helena Fernández, Ashwani Kumar, Maria Angeles Revilla, 2010
9
Algae, Fungi, Lichens, Microbiology, Plant Pathology, ...
Work procedure Cut L.s. of thallus, select a section showing antheridia, stain in
fast green, mount in glycerine and study the antheridia. Comments 1. Both
antheridia and archegonia remain embedded in the dorsal region of the thallus
and are ...
Ashok M. Bendre, Ashok Kumar, 2010
10
Botany For Degree Pteridophyta
The hermaphrodite prothalli usually produce antheridia earlier than the
archegonia. Antheridial development often begins before the differentiation of the
mid-rib or even before the organisation of the plate-like stage. The archegonial ...
ȘTIRI NOI CARE INCLUD TERMENUL «ANTHERIDIA»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
antheridia în contextul următoarelor știri.
Green Space | Ferns for a summer shade garden
These produce male and female flower analogues (antheridia and archegonia), blah, blah, blah — you don't really care, do you? Essentially ... «The Courier-Journal, Iun 15»
There is more to ferns than interesting fronds
The thalli contains the sexual reproductive organs, the male antheridia and the female archegonia, either on the same thalli or separate thalli. «Bonners Ferry Herald, Mai 15»
Wordplay: the A to B of improving your vocabulary
I found the curio on page 92, avid to adopt another artefact ASAP, only to learn the aberration means "having antheridia and archegonia on the ... «Sydney Morning Herald, Apr 15»
User Name Password Sign In
When released from antheridia, the elongated and coiled motile male gametes of ferns and bryophytes lack a cell wall and contain an elaborate locomotory ... «Am J Botany, Dec 14»
Trekking back in time among Okinawa's fronded wonders
Sperm from the male organ (antheridia) of one prothallium swim into the female organ (archegonium) of a nearby prothallium. There, sperm ... «The Japan Times, Aug 13»
Horsetails And The Hidden Marriage
The gametophytes (whether tufty mosses or creeping liverworts) produce female archegonia and male antheridia. The latter produce ... «Science 2.0, Mai 11»
