«PROTHALLIUM»に関連する英語の本
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prothalliumの使いかたを見つけましょう。
prothalliumに関する本と英語文献で使われた文脈を提供するための簡単な抜粋文。
Previous to the formation of the cell-plates, it is difficult to distinguish between the
primary and the secondary prothallia, but after free cell-formation has ceased in
the primary prothallium, the form of the secondary prothallium becomes well ...
Sir Isaac Bayley Balfour, Roland Thaxter, Vernon Herbert Blackman, 1904
2
Morphological studies of Lygodium palmatum
Branched prothallium. X 340. Fig. l2. Branched prothallium. X 420. Fig. l3. Lateral
view of a prothallium showing the cell mass. X ll4. Fig. l4. Stage corresponding to
that of figures 7 and 8, the prothallium initial having developed in another way.
3
Studies on the Ophioglossaceae
A four-celled prothallium of O. moluccanum, seen in transverse optical section.
Fig. 7. Two views of a similar stage. Fig. 8. Two transverse optical sections of a
four-celled prothallium. Fig. 9. Three-celled prothallium of 0. intermedium. Figs.
Douglas Houghton Campbell, 1907
4
The collected works of Sir Humphry Davy ...: Discourses ...
1910. 16. Holloway, J. E., A comparative study of the anatomy of six New Zealand
species of Lycopodium. Trans. New Zealand Inst. 42:356-370. ph. 31-34- 191°-
EXPLANATION OF PLATES II-III Fig. 1. — Lycopodium later ale: prothallium with
...
John Merle Coulter, Sir Humphry Davy, John Davy, 1917
5
A Student's text-book of botany
one prothallium bears both male and female reproductive organs. The
morphology of the prothallium varies widely in these forms : it may be a branched
cellular filament (some Hymenophyllaceae), or a flattened expansion (
Equisetinae, most ...
Sydney Howard Vines, 1896
6
Text-book of Botany: Morphological and Physiological
The Female Prothallium is formed within the apical papilla of the macrospore
from a small part of its protoplasm, and only partially emerges at a later period
from the spore-cavity, but remains united with the latter, closing it by its basal
surface, ...
Julius Sachs, Sydney Howard Vines, 1882
7
Phytography as a Fine Art
part, not free growing, but developing by a kind of internal germination from a
fertilised egg-cell, either within a free tuberous pro- thallium or within a
prothallium which remains more or less enclosed in a megaspore (or embryo-sac
) or even ...
Jan Willem Moll, Johannes Cornelis Schoute, 1934
8
A Laboratory Manual in Elementary Biology
which has developed from a protonema (ob'phore or prothallium). Observe its
size, shape, and general appearance. Note the rhizoids. Sketch the prothallium. (
d) Examine the prothallium with its lower surface upward and note the shape of
the ...
prothallium. It, too, shows us that its development is away from the light. It
becomes the carrier of a real fertilisation process; on its underside antheridia and
archegonia are formed. The antheridia discharge antherozoids furnished with
tails and ...
10
The Classification of Flowering Plants
Archegonia, generally three to six in number, are developed from peripheral cells
of the prothallium below the micropyle. An outer neck-cell is cut off by a periclinal
wall and becomes divided by an anticlinal wall to form a two-celled neck.
Alfred Barton Rendle, 1967
用語«PROTHALLIUM»を含むニュース項目
国内外の報道機関が語った内容や、次のニュース項目の文脈から
prothalliumという用語がどのように使われているかを調べてみましょう。
Pteridomaniacs fond of fronds
When the spores fall, one in a few million germinates and grows into a tiny heart-shaped plant called a prothallium. It is these plants that produce the male and ... «Sydney Morning Herald, 6月 14»
Trekking back in time among Okinawa's fronded wonders
If spores make successful landfall in suitably rich and moist soil, they quickly develop into what is called a prothallium. This is the gametophyte — the small, ... «The Japan Times, 8月 13»
Die Pflanze von nebenan (3)
Dieses Verhalten eines ausgeprägten so genannten Generationswechsels (selbstständiges Prothallium und eigentliche Farnpflanze) ist allen Farnen (sog. «Neue Nordhäuser Zeitung, 1月 12»
