«GAMETANGIA» संबंधित इंग्रजी पुस्तके
खालील ग्रंथसूची निवडीमध्ये
gametangia चा वापर शोधा. इंग्रजी साहित्यामध्ये वापराचा संदर्भ देण्यासाठी
gametangia शी संबंधित पुस्तके आणि त्याचे थोडक्यात उतारे.
1
The Ferns (Filicales): Volume 1, Analytical Examination of ...
The analogy of the sexual differentiation of gametangia thus contemplated with
that of the differentiation of megasporangia and microsporangia from a primitively
homo- sporous sporangium, so fully illustrated in the Pteridophytes, cannot be ...
Gametangia The sex organs of mosses are archegonia (female) and antheridia (
male). The flask-shaped archegonium contains a single egg cell in the venter,
which is surmounted by an elongate neck. Numerous sperm cells are produced
in ...
Arthur Jonathan Shaw, Bernard Goffinet, 2000
3
Competition Science Vision
(ii) Gametangial contact — In this process gametes are not released from the
gametangia, instead the two gametangia of opposite sex come in contact and the
gametes are directly transferred from one gametangium to the other through a
tube ...
4
Sexual Interactions In eukaryotic Microbes
This has been analyzed by incubating mature female gametangia with male
gametes in the DS medium. Light microscope observations of these cells show
that male attraction does not occur until 2-3 min before the female gametes are ...
5
The Freshwater Algal Flora of the British Isles: An ...
... secondary gametangia are formed); sporangium wall forms around developing
zygospore and separates it from the gametangia, the conjugation tube
subsequently often greatly enlarged; cytoplasmic residues accumulate in
gametangia ...
David M. John, Brian A. Whitton, Alan J. Brook, 2002
6
Introductory Botany: Plants, People, and the Environment, ...
Linda Berg. (a) Each antheridium, the male gametangium, produces numerous
sperm cells. (b) Each archegonium, the female gametangium, produces a single
egg. FIGURE 22-4 Plant gametangia. Shown are generalized moss gametangia.
7
Textbook Of Microbiology
These sex organs containing specialized cells or gametes are called gametangia
. Morphologically similar gametangia are called as iso-gametangia whereas
morphologically different sex organs are called as hetero-gametangia. Such
distinct ...
8
Krishna's Diversity of Microbes, Fungi & Lichens
(a) Planogametic copulation (b) Gametangial contact (c) Gametangial copulation
(d) Spermatisation (e) Somatogamy (a) Planogametic copulation : It involves the
fusion in pairs of naked gametes formed in gametangia. One or both of the ...
9
Reproductive Biology of Plants
After spore germination, protonemata grow originating leafy gametophytes and,
consequently, gametangia and viable gametes. Leafy gametophytes have large
morphological variation, mostly due to mutations during sporogenesis (Chopra ...
Kishan Gopal Ramawat, Jean-Michel Mérillon, K. R. Shivanna, 2014
10
Pathogenic Fungi in Humans and Animals
Gametangia of the Peronosporomycetes are meio-gametangia in which meiosis
occurs. Synchronous meioses occur in the coenocytic gametangia. In paired
gametangia the meioses are also either simultaneous, or nearly so, between the
two ...
